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Rowland Penny

2017-Dec-27 12:29 UTC

[Samba] AD replication problem "WERR_DS_DRA_ACCESS_DENIED" - need help debugging

On Wed, 27 Dec 2017 13:00:05 +0100
"Dr. Johannes-Ulrich Menzebach via samba" <samba at
lists.samba.org> wrote:
> There is additional info in the logs of the source DC (dcdo1, log
> level 2, manually triggered another replication):
> ===================> [2017/12/27 12:31:29.695121,  2] 
>
../source4/rpc_server/drsuapi/getncchanges.c:1731(getncchanges_collect_objects)
>    ../source4/rpc_server/drsuapi/getncchanges.c:1731: getncchanges on 
> DC=ad,DC=kdu,DC=com using filter (uSNChanged>=5415)
> [2017/12/27 12:31:29.698828,  2] 
>
../source4/rpc_server/drsuapi/getncchanges.c:3006(dcesrv_drsuapi_DsGetNCChanges)
>    DsGetNCChanges with uSNChanged >= 5415 flags 0x80000064 on 
>
<GUID=141bbe37-5eda-42b8-b904-0b75e26b1e2d>;<SID=S-1-5-21-454945863-777199239-1595221609>;DC=ad,DC=kdu,DC=com
> gave 0 objects (done 0/0) 0 links (done 0/0 (as 
> S-1-5-21-454945863-777199239-1595221609-1112))
> [2017/12/27 12:31:29.733157,  1] 
> ../source4/dsdb/common/util.c:4807(dsdb_validate_dsa_guid)
>    ../source4/dsdb/common/util.c:4807: Failed to find account dn 
> (serverReference) for 
>
CN=DCNH1,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=ad,DC=kdu,DC=com,
> parent of DSA with objectGUID 0acce4bc-1193-4609-8e4d-a0771bb6fb76,
> sid S-1-5-21-454945863-777199239-1595221609-1112
> [2017/12/27 12:31:29.733198,  0] 
>
../source4/rpc_server/drsuapi/updaterefs.c:374(dcesrv_drsuapi_DsReplicaUpdateRefs)
>    ../source4/rpc_server/drsuapi/updaterefs.c:374: Refusing 
> DsReplicaUpdateRefs for sid
> S-1-5-21-454945863-777199239-1595221609-1112 with GUID
> 0acce4bc-1193-4609-8e4d-a0771bb6fb76
> 
> According to what I see in the "Sites and Services" RSAT console
the
> DN for 
>
CN=DCNH1,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=ad,DC=kdu,DC=com
> seems to exist.
> 
> Any ideas?
> 
> Thanks,
> 
>      Uli
> 
> 
> 
> On 12/27/2017 09:59 AM, Dr. Johannes-Ulrich Menzebach via samba wrote:
> > We have 3 ADCs based on Samba-4.7.4 (compiled from source,internal 
> > DNS)/ CentOS7: dcdo1,dcnh1 and dcge1. dcge1 holds all FSMO roles.
> > The 3 ADCs are on different locations connected via IPSec based
> > VPN. No traffic is filtered out.
> >
> > All 3 ADCs replicate fine except dcdo1 -->dcnh1. Symptom:
> >
> > [root at dcdo1 ~]# samba-tool drs replicate dcnh1.ad.kdu.com 
> > dcdo1.ad.kdu.com dc=ad,dc=kdu,dc=com
> > ERROR(<class 'samba.drs_utils.drsException'>):
DsReplicaSync failed
> > - drsException: DsReplicaSync failed (8453,
> > 'WERR_DS_DRA_ACCESS_DENIED') File
> > "/usr/lib64/python2.7/site-packages/samba/netcmd/drs.py",
line 386,
> > in run drs_utils.sendDsReplicaSync(server_bind, server_bind_handle, 
> > source_dsa_guid, NC, req_options)
> >   File
"/usr/lib64/python2.7/site-packages/samba/drs_utils.py",
> > line 85, in sendDsReplicaSync
> >     raise drsException("DsReplicaSync failed %s" % estr)
> >
> > Log on dcdo1:
> > =============> > [2017/12/27 08:20:56.335895,  0] 
> >
../source4/rpc_server/drsuapi/updaterefs.c:374(dcesrv_drsuapi_DsReplicaUpdateRefs)
> >   ../source4/rpc_server/drsuapi/updaterefs.c:374: Refusing 
> > DsReplicaUpdateRefs for sid 
> > S-1-5-21-454945863-777199239-1595221609-1112 with GUID 
> > 0acce4bc-1193-4609-8e4d-a0771bb6fb76
> >
> > Log on target DC dcnh1:
> > =============> > [2017/12/27 08:20:55.278559,  5] 
> > ../auth/auth_log.c:860(log_successful_authz_event_human_readable)
> >   Successful AuthZ: [DCE/RPC,ncacn_ip_tcp] user [NT 
> > AUTHORITY]\[ANONYMOUS LOGON] [S-1-5-7] at [Wed, 27 Dec 2017 
> > 08:20:55.278538 CET] Remote host [ipv4:192.168.172.14:36196] local 
> > host [ipv4:192.168.152.15:135]
> > [2017/12/27 08:20:55.278641,  5] ../auth/auth_log.c:220(log_json)
> >   JSON Authorization: {"timestamp":
> > "2017-12-27T08:20:55.278587+0100", "type":
"Authorization",
> > "Authorization": {"version": {"major":
1, "minor": 0},
> > "localAddress": "ipv4:192.168.152.15:135",
"remoteAddress":
> > "ipv4:192.168.172.14:36196", "serviceDescription":
"DCE/RPC",
> > "authType": "ncacn_ip_tcp", "domain":
"NT AUTHORITY", "account":
> > "ANONYMOUS LOGON", "sid": "S-1-5-7",
"logonServer": "DCNH1",
> > "transportProtection": "NONE",
"accountFlags": "0x00000010"}}
> > [2017/12/27 08:20:55.278660,
> > 3] ../auth/auth_log.c:139(get_auth_event_server)
> > get_auth_event_server: Failed to find 'auth_event' registered
on
> > the message bus to send JSON authentication events to:
> > NT_STATUS_OBJECT_NAME_NOT_FOUND [2017/12/27 08:20:55.337740,  3] 
> > ../source4/smbd/service_stream.c:65(stream_terminate_connection)
> >   Terminating connection - 'dcesrv:
> > NT_STATUS_CONNECTION_DISCONNECTED' [2017/12/27 08:20:55.337873, 
3]
> > ../source4/smbd/process_single.c:114(single_terminate)
> >   single_terminate: reason[dcesrv:
> > NT_STATUS_CONNECTION_DISCONNECTED] [2017/12/27 08:20:55.506117,  3] 
> > ../lib/ldb-samba/ldb_wrap.c:326(ldb_wrap_connect)
> >   ldb_wrap open of secrets.ldb
> > [2017/12/27 08:20:55.506420,  5] 
> > ../auth/gensec/gensec_start.c:739(gensec_start_mech)
> >   Starting GENSEC mechanism spnego
> > [2017/12/27 08:20:55.506501,  5] 
> > ../auth/gensec/gensec_start.c:739(gensec_start_mech)
> >   Starting GENSEC submechanism gssapi_krb5
> > [2017/12/27 08:20:55.536259,  5] 
> >
../source4/auth/gensec/gensec_gssapi.c:668(gensec_gssapi_update_internal)
> >   gensec_gssapi: credentials were delegated
> > [2017/12/27 08:20:55.536320,  5] 
> >
../source4/auth/gensec/gensec_gssapi.c:685(gensec_gssapi_update_internal)
> >   GSSAPI Connection will be cryptographically sealed
> > [2017/12/27 08:20:55.538591,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL 
> >
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES.i\26\15_T\04\00\00
> > -> 0
> > [2017/12/27 08:20:55.538644,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL 
> >
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES.i\26\15_\04\02\00\00
> > -> 0
> > [2017/12/27 08:20:55.538712,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL 
> >
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES.i\26\15_<\02\00\00
> > -> 0
> > [2017/12/27 08:20:55.538762,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL
> > objectSid=\01\01\00\00\00\00\00\05\09\00\00\00 -> 0
> > [2017/12/27 08:20:55.538819,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL
> > objectSid=\01\01\00\00\00\00\00\01\00\00\00\00 -> 0
> > [2017/12/27 08:20:55.538864,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL
> > objectSid=\01\01\00\00\00\00\00\05\02\00\00\00 -> 0
> > [2017/12/27 08:20:55.538909,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL
> > objectSid=\01\01\00\00\00\00\00\05\0B\00\00\00 -> 0
> > [2017/12/27 08:20:55.538967,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL 
> > objectSid=\01\02\00\00\00\00\00\05\20\00\00\000\02\00\00 -> 0
> > [2017/12/27 08:20:55.539029,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL 
> > objectSid=\01\02\00\00\00\00\00\05\20\00\00\00\2A\02\00\00 -> 1
> > [2017/12/27 08:20:55.539087,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL 
> > objectSid=\01\02\00\00\00\00\00\05\20\00\00\00\21\02\00\00 -> 0
> > [2017/12/27 08:20:55.539289,  4] 
> > ../auth/auth_log.c:860(log_successful_authz_event_human_readable)
> >   Successful AuthZ: [DCE/RPC,krb5] user [AD]\[DCDO1$] 
> > [S-1-5-21-454945863-777199239-1595221609-1108] at [Wed, 27 Dec 2017 
> > 08:20:55.539277 CET] Remote host [ipv4:192.168.172.14:57364] local 
> > host [ipv4:192.168.152.15:49152]
> > [2017/12/27 08:20:55.539359,  4] ../auth/auth_log.c:220(log_json)
> >   JSON Authorization: {"timestamp":
> > "2017-12-27T08:20:55.539334+0100", "type":
"Authorization",
> > "Authorization": {"version": {"major":
1, "minor": 0},
> > "localAddress": "ipv4:192.168.152.15:49152",
"remoteAddress":
> > "ipv4:192.168.172.14:57364", "serviceDescription":
"DCE/RPC",
> > "authType": "krb5", "domain":
"AD", "account": "DCDO1$", "sid":
> > "S-1-5-21-454945863-777199239-1595221609-1108",
"logonServer":
> > "DCDO1", "transportProtection": "SEAL",
"accountFlags":
> > "0x00002100"}} [2017/12/27 08:20:55.539398,
> > 3] ../auth/auth_log.c:139(get_auth_event_server)
> > get_auth_event_server: Failed to find 'auth_event' registered
on
> > the message bus to send JSON authentication events to:
> > NT_STATUS_OBJECT_NAME_NOT_FOUND [2017/12/27 08:20:55.568937,  3] 
> >
../source4/rpc_server/drsuapi/dcesrv_drsuapi.c:89(dcesrv_drsuapi_DsBind)
> >   ../source4/rpc_server/drsuapi/dcesrv_drsuapi.c:89: doing DsBind
> > with system_session
> > [2017/12/27 08:20:55.641297,  3] 
> > ../lib/ldb-samba/ldb_wrap.c:326(ldb_wrap_connect)
> >   ldb_wrap open of secrets.ldb
> > [2017/12/27 08:20:55.644257,  5] 
> > ../source4/ldap_server/ldap_backend.c:578(ldapsrv_SearchRequest)
> >   ldb_request BASE dn> >
filter=(|(objectClass=*)(distinguishedName=*)) [2017/12/27
> > 08:20:55.706421,  6] ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > [2017/12/27 08:20:55.706573,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > [2017/12/27 08:20:55.706777,  3] 
> >
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
> >   Kerberos: TGS-REQ DCDO1$@AD.kdu.COM from
> > ipv4:192.168.172.14:48486 for ldap/dcnh1.ad.kdu.com at AD.kdu.COM
> > [canonicalize] [2017/12/27 08:20:55.708186,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > [2017/12/27 08:20:55.708670,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > [2017/12/27 08:20:55.708795,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > [2017/12/27 08:20:55.709594,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > [2017/12/27 08:20:55.710027,  3] 
> >
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
> >   Kerberos: TGS-REQ authtime: 2017-12-27T08:20:54 starttime: 
> > 2017-12-27T08:20:55 endtime: 2017-12-27T18:20:54 renew till: unset
> > [2017/12/27 08:20:55.740222,  3] 
> > ../source4/smbd/service_stream.c:65(stream_terminate_connection)
> >   Terminating connection - 'kdc_tcp_call_loop: 
> > tstream_read_pdu_blob_recv() - NT_STATUS_CONNECTION_DISCONNECTED'
> > [2017/12/27 08:20:55.740440,  3] 
> > ../source4/smbd/process_single.c:114(single_terminate)
> >   single_terminate: reason[kdc_tcp_call_loop: 
> > tstream_read_pdu_blob_recv() - NT_STATUS_CONNECTION_DISCONNECTED]
> > [2017/12/27 08:20:55.770764,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > [2017/12/27 08:20:55.771034,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > [2017/12/27 08:20:55.771283,  3] 
> >
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
> >   Kerberos: TGS-REQ DCDO1$@AD.kdu.COM from
> > ipv4:192.168.172.14:48488 for krbtgt/AD.kdu.COM at AD.kdu.COM
> > [forwarded, forwardable] [2017/12/27 08:20:55.771576,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > [2017/12/27 08:20:55.771786,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > [2017/12/27 08:20:55.772103,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > [2017/12/27 08:20:55.772257,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > [2017/12/27 08:20:55.773194,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > [2017/12/27 08:20:55.773691,  3] 
> >
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
> >   Kerberos: TGS-REQ authtime: 2017-12-27T08:20:54 starttime: 
> > 2017-12-27T08:20:55 endtime: 2017-12-27T18:20:54 renew till: unset
> > [2017/12/27 08:20:55.804565,  3] 
> > ../source4/smbd/service_stream.c:65(stream_terminate_connection)
> >   Terminating connection - 'kdc_tcp_call_loop: 
> > tstream_read_pdu_blob_recv() - NT_STATUS_CONNECTION_DISCONNECTED'
> > [2017/12/27 08:20:55.804774,  3] 
> > ../source4/smbd/process_single.c:114(single_terminate)
> >   single_terminate: reason[kdc_tcp_call_loop: 
> > tstream_read_pdu_blob_recv() - NT_STATUS_CONNECTION_DISCONNECTED]
> > [2017/12/27 08:20:55.806137,  5] 
> > ../auth/gensec/gensec_start.c:739(gensec_start_mech)
> >   Starting GENSEC mechanism spnego
> > [2017/12/27 08:20:55.806296,  5] 
> > ../auth/gensec/gensec_start.c:739(gensec_start_mech)
> >   Starting GENSEC submechanism gssapi_krb5
> > [2017/12/27 08:20:55.807170,  5] 
> >
../source4/auth/gensec/gensec_gssapi.c:668(gensec_gssapi_update_internal)
> >   gensec_gssapi: credentials were delegated
> > [2017/12/27 08:20:55.807242,  5] 
> >
../source4/auth/gensec/gensec_gssapi.c:687(gensec_gssapi_update_internal)
> >   GSSAPI Connection will be cryptographically signed
> > [2017/12/27 08:20:55.810168,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL 
> >
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES.i\26\15_T\04\00\00
> > -> 0
> > [2017/12/27 08:20:55.810265,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL 
> >
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES.i\26\15_\04\02\00\00
> > -> 0
> > [2017/12/27 08:20:55.810353,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL 
> >
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES.i\26\15_<\02\00\00
> > -> 0
> > [2017/12/27 08:20:55.810428,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL
> > objectSid=\01\01\00\00\00\00\00\05\09\00\00\00 -> 0
> > [2017/12/27 08:20:55.810507,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL
> > objectSid=\01\01\00\00\00\00\00\01\00\00\00\00 -> 0
> > [2017/12/27 08:20:55.810582,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL
> > objectSid=\01\01\00\00\00\00\00\05\02\00\00\00 -> 0
> > [2017/12/27 08:20:55.810674,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL
> > objectSid=\01\01\00\00\00\00\00\05\0B\00\00\00 -> 0
> > [2017/12/27 08:20:55.810745,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL 
> > objectSid=\01\02\00\00\00\00\00\05\20\00\00\000\02\00\00 -> 0
> > [2017/12/27 08:20:55.810826,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL 
> > objectSid=\01\02\00\00\00\00\00\05\20\00\00\00\2A\02\00\00 -> 1
> > [2017/12/27 08:20:55.810901,  6] 
> > ../lib/util/util_ldb.c:60(gendb_search_v)
> >   gendb_search_v: NULL 
> > objectSid=\01\02\00\00\00\00\00\05\20\00\00\00\21\02\00\00 -> 0
> > [2017/12/27 08:20:55.811125,  4] 
> > ../auth/auth_log.c:860(log_successful_authz_event_human_readable)
> >   Successful AuthZ: [LDAP,krb5] user [AD]\[DCDO1$] 
> > [S-1-5-21-454945863-777199239-1595221609-1108] at [Wed, 27 Dec 2017 
> > 08:20:55.811108 CET] Remote host [ipv4:192.168.172.14:56798] local 
> > host [ipv4:192.168.152.15:389]
> > [2017/12/27 08:20:55.811301,  4] ../auth/auth_log.c:220(log_json)
> >   JSON Authorization: {"timestamp":
> > "2017-12-27T08:20:55.811228+0100", "type":
"Authorization",
> > "Authorization": {"version": {"major":
1, "minor": 0},
> > "localAddress": "ipv4:192.168.152.15:389",
"remoteAddress":
> > "ipv4:192.168.172.14:56798", "serviceDescription":
"LDAP",
> > "authType": "krb5", "domain":
"AD", "account": "DCDO1$", "sid":
> > "S-1-5-21-454945863-777199239-1595221609-1108",
"logonServer":
> > "DCDO1", "transportProtection": "SIGN",
"accountFlags":
> > "0x00002100"}} [2017/12/27 08:20:55.811385,
> > 3] ../auth/auth_log.c:139(get_auth_event_server)
> > get_auth_event_server: Failed to find 'auth_event' registered
on
> > the message bus to send JSON authentication events to:
> > NT_STATUS_OBJECT_NAME_NOT_FOUND [2017/12/27 08:20:55.841539,  5] 
> > ../source4/ldap_server/ldap_backend.c:578(ldapsrv_SearchRequest)
> >   ldb_request BASE dn= filter=(objectClass=*)
> > [2017/12/27 08:20:55.871177,  5] 
> > ../source4/ldap_server/ldap_backend.c:578(ldapsrv_SearchRequest)
> >   ldb_request SUB dn=CN=Configuration,DC=ad,DC=kdu,DC=com 
> >
filter=(&(objectCategory=server)(|(name=dcdo1.ad.kdu.com)(dNSHostName=dcdo1.ad.kdu.com)))
> > [2017/12/27 08:20:55.902579,  5] 
> > ../source4/ldap_server/ldap_backend.c:578(ldapsrv_SearchRequest)
> >   ldb_request ONE 
> >
dn=CN=DCDO1,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=ad,DC=kdu,DC=com
> > filter=(|(objectCategory=nTDSDSA)(objectCategory=nTDSDSARO))
> > [2017/12/27 08:20:55.932550,  5] 
> > default/librpc/gen_ndr/ndr_drsuapi_s.c:93(drsuapi__op_dispatch)
> >   function drsuapi_DsReplicaSync will reply async
> > [2017/12/27 08:20:55.932676,  3] 
> > ../source4/dsdb/repl/drepl_service.c:206(_drepl_schedule_replication)
> >   _drepl_schedule_replication: forcing sync of partition 
> > (141bbe37-5eda-42b8-b904-0b75e26b1e2d, dc=ad,dc=kdu,dc=com, 
> > 1d535613-81fa-435f-ba17-631d5742c775._msdcs.ad.kdu.com)
> > [2017/12/27 08:20:55.932697,  4] 
> >
../source4/dsdb/repl/drepl_periodic.c:187(dreplsrv_pendingops_schedule)
> >   dreplsrv_pending_schedule(1) scheduled for: Wed Dec 27 08:20:57
> > 2017 CET
> > [2017/12/27 08:20:56.971645,  4] 
> >
../source4/dsdb/samdb/ldb_modules/repl_meta_data.c:6725(replmd_extended_replicated_objects)
> >   linked_attributes_count=0
> > [2017/12/27 08:20:56.971966,  4] 
> >
../source4/dsdb/samdb/ldb_modules/repl_meta_data.c:6561(replmd_replicated_uptodate_modify)
> >   DRS replication uptodate modify message:
> >   dn: DC=ad,DC=kdu,DC=com
> >   changetype: modify
> >   replace: replUpToDateVector
> >   replUpToDateVector:: 
> > AgAAAAAAAAADAAAAAAAAABblFEZH4CNPh3GL0LFEOVz6FAAAAAAAAACAP
> >
tXesZ0BhJrYYEE7/kOJnoKr3dq/vN0PAAAAAAAAAIA+1d6xnQHgHbdwEVrzS7KYP2wnvCZRbBYAAA
> >
> >    AAAAAAgD7V3rGdAQ=> >   -
> >   replace: repsFrom
> >   repsFrom:: 
> > AQAAAAAAAAAOAQAAAAAAAMHaUxADAAAAwdpTEAMAAAAAAAAA0AAAAD4AAAB0AAAAERE
> >
RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERER
> >
> >
ERERERERERERERERERERERERERERERERAAAAAGsWAAAAAAAAAAAAAAAAAABrFgAAAAAAAKQMPrx0t
> >
> >
UlIhMh6s36sM6XgHbdwEVrzS7KYP2wnvCZRAAAAAAAAAAAAAAAAAAAAADoAAABiYzNlMGNhNC1iNT
> >
> > c0LTQ4NDktODRjOC03YWIzN2VhYzMzYTUuX21zZGNzLmFkLmthbmRvdS5jb20A
> >   repsFrom:: 
> > AQAAAAAAAAAOAQAAuQIAANjaUxADAAAA2NpTEAMAAAAAAAAA0AAAAD4AAABkAAAAERE
> >
RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERER
> >
> >
ERERERERERERERERERERERERERERERERAAAAAPgUAAAAAAAAAAAAAAAAAAD4FAAAAAAAABNWUx36g
> >
> >
V9DuhdjHVdCx3UW5RRGR+AjT4dxi9CxRDlcAAAAAAAAAAAAAAAAAAAAADoAAAAxZDUzNTYxMy04MW
> >
> > ZhLTQzNWYtYmExNy02MzFkNTc0MmM3NzUuX21zZGNzLmFkLmthbmRvdS5jb20A
> >   -
> >
> >
> > [2017/12/27 08:20:56.974912,  2] 
> >
../source4/dsdb/repl/replicated_objects.c:1020(dsdb_replicated_objects_commit)
> >   Replicated 0 objects (0 linked attributes) for DC=ad,DC=kdu,DC=com
> > [2017/12/27 08:20:57.004974,  0] 
> >
../source4/dsdb/repl/drepl_out_helpers.c:1087(dreplsrv_update_refs_done)
> >   UpdateRefs failed with WERR_DS_DRA_ACCESS_DENIED/NT code
> > 0xc0002105 for
> > 0acce4bc-1193-4609-8e4d-a0771bb6fb76._msdcs.ad.kdu.com
> > DC=ad,DC=kdu,DC=com [2017/12/27 08:20:57.005468,  4] 
> >
../source4/dsdb/repl/drepl_out_pull.c:181(dreplsrv_pending_op_callback)
> >   dreplsrv_op_pull_source(WERR_DS_DRA_ACCESS_DENIED) for 
> > DC=ad,DC=kdu,DC=com
> > [2017/12/27 08:20:57.009507,  5] 
> > default/librpc/gen_ndr/ndr_drsuapi_s.c:389(drsuapi__op_reply)
> >   function drsuapi_DsReplicaSync replied async
> > [2017/12/27 08:20:57.053246,  3] 
> > ../source4/smbd/service_stream.c:65(stream_terminate_connection)
> >   Terminating connection - 'dcesrv:
> > NT_STATUS_CONNECTION_DISCONNECTED' [2017/12/27 08:20:57.053478, 
3]
> > ../source4/smbd/process_single.c:114(single_terminate)
> >   single_terminate: reason[dcesrv:
> > NT_STATUS_CONNECTION_DISCONNECTED] [2017/12/27 08:20:57.053528,  3] 
> > ../source4/smbd/service_stream.c:65(stream_terminate_connection)
> >   Terminating connection - 'ldapsrv_call_loop: 
> > tstream_read_pdu_blob_recv() - NT_STATUS_CONNECTION_DISCONNECTED'
> > [2017/12/27 08:20:57.053760,  2] 
> > ../source4/smbd/process_standard.c:473(standard_terminate)
> >   standard_terminate: reason[ldapsrv_call_loop: 
> > tstream_read_pdu_blob_recv() - NT_STATUS_CONNECTION_DISCONNECTED]
> > [2017/12/27 08:20:57.057842,  2] 
> > ../source4/smbd/process_standard.c:157(standard_child_pipe_handler)
> >   Child 900 () exited with status 0
> >
> > Any hints/ideas very much appreciated ...
> >
> > Thanks,
> >
> > Uli
> >
> >
> 
> 
Couple of thoughts, try reading this:

https://wiki.samba.org/index.php/Verifying_and_Creating_a_DC_DNS_Record

and this:

https://wiki.samba.org/index.php/Manually_Replicating_Directory_Partitions

Does the missing 'CN' exist on the other two DCs ?

Rowland

Dr. Johannes-Ulrich Menzebach

2017-Dec-27 13:44 UTC

head link

[Samba] AD replication problem "WERR_DS_DRA_ACCESS_DENIED" - need help debugging

Rowland,

- the DN "CN=DCNH1,..." exists on all 3 DCs (pointing the Sites and 
Services console to each of them).
- I also checked that "samba-tool dbcheck" completes w/o showing
errors.
- the objectGUID DNS aliases of all DCs are resolvable against all 3 
DCs' builtin DNS
- I forced a full sync from the FSMO holder (dcge1) to the 2 other DCs 
which finished w/o errors.
- after that, sync and also full sync dcdo1-->dcnh1 failed exactly as 
earlier.

I'm wondering whether this is related to 
https://bugzilla.samba.org/show_bug.cgi?id=12972 , however I'm running 
4.7.4 and the domain had been created under 4.7.3 (based on the Samba 
Wiki). Apart from the sync issue I'm VERY happy with Samba4/AD.

Many thanks,

Uli



On 12/27/2017 01:29 PM, Rowland Penny via samba wrote:> On Wed, 27 Dec 2017 13:00:05 +0100
> "Dr. Johannes-Ulrich Menzebach via samba" <samba at
lists.samba.org> wrote:
>
>> There is additional info in the logs of the source DC (dcdo1, log
>> level 2, manually triggered another replication):
>> ===================>> [2017/12/27 12:31:29.695121,  2]
>>
../source4/rpc_server/drsuapi/getncchanges.c:1731(getncchanges_collect_objects)
>>     ../source4/rpc_server/drsuapi/getncchanges.c:1731: getncchanges on
>> DC=ad,DC=kdu,DC=com using filter (uSNChanged>=5415)
>> [2017/12/27 12:31:29.698828,  2]
>>
../source4/rpc_server/drsuapi/getncchanges.c:3006(dcesrv_drsuapi_DsGetNCChanges)
>>     DsGetNCChanges with uSNChanged >= 5415 flags 0x80000064 on
>>
<GUID=141bbe37-5eda-42b8-b904-0b75e26b1e2d>;<SID=S-1-5-21-454945863-777199239-1595221609>;DC=ad,DC=kdu,DC=com
>> gave 0 objects (done 0/0) 0 links (done 0/0 (as
>> S-1-5-21-454945863-777199239-1595221609-1112))
>> [2017/12/27 12:31:29.733157,  1]
>> ../source4/dsdb/common/util.c:4807(dsdb_validate_dsa_guid)
>>     ../source4/dsdb/common/util.c:4807: Failed to find account dn
>> (serverReference) for
>>
CN=DCNH1,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=ad,DC=kdu,DC=com,
>> parent of DSA with objectGUID 0acce4bc-1193-4609-8e4d-a0771bb6fb76,
>> sid S-1-5-21-454945863-777199239-1595221609-1112
>> [2017/12/27 12:31:29.733198,  0]
>>
../source4/rpc_server/drsuapi/updaterefs.c:374(dcesrv_drsuapi_DsReplicaUpdateRefs)
>>     ../source4/rpc_server/drsuapi/updaterefs.c:374: Refusing
>> DsReplicaUpdateRefs for sid
>> S-1-5-21-454945863-777199239-1595221609-1112 with GUID
>> 0acce4bc-1193-4609-8e4d-a0771bb6fb76
>>
>> According to what I see in the "Sites and Services" RSAT
console the
>> DN for
>>
CN=DCNH1,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=ad,DC=kdu,DC=com
>> seems to exist.
>>
>> Any ideas?
>>
>> Thanks,
>>
>>       Uli
>>
>>
>>
>> On 12/27/2017 09:59 AM, Dr. Johannes-Ulrich Menzebach via samba wrote:
>>> We have 3 ADCs based on Samba-4.7.4 (compiled from source,internal
>>> DNS)/ CentOS7: dcdo1,dcnh1 and dcge1. dcge1 holds all FSMO roles.
>>> The 3 ADCs are on different locations connected via IPSec based
>>> VPN. No traffic is filtered out.
>>>
>>> All 3 ADCs replicate fine except dcdo1 -->dcnh1. Symptom:
>>>
>>> [root at dcdo1 ~]# samba-tool drs replicate dcnh1.ad.kdu.com
>>> dcdo1.ad.kdu.com dc=ad,dc=kdu,dc=com
>>> ERROR(<class 'samba.drs_utils.drsException'>):
DsReplicaSync failed
>>> - drsException: DsReplicaSync failed (8453,
>>> 'WERR_DS_DRA_ACCESS_DENIED') File
>>> "/usr/lib64/python2.7/site-packages/samba/netcmd/drs.py",
line 386,
>>> in run drs_utils.sendDsReplicaSync(server_bind, server_bind_handle,
>>> source_dsa_guid, NC, req_options)
>>>    File
"/usr/lib64/python2.7/site-packages/samba/drs_utils.py",
>>> line 85, in sendDsReplicaSync
>>>      raise drsException("DsReplicaSync failed %s" % estr)
>>>
>>> Log on dcdo1:
>>> =============>>> [2017/12/27 08:20:56.335895,  0]
>>>
../source4/rpc_server/drsuapi/updaterefs.c:374(dcesrv_drsuapi_DsReplicaUpdateRefs)
>>>    ../source4/rpc_server/drsuapi/updaterefs.c:374: Refusing
>>> DsReplicaUpdateRefs for sid
>>> S-1-5-21-454945863-777199239-1595221609-1112 with GUID
>>> 0acce4bc-1193-4609-8e4d-a0771bb6fb76
>>>
>>> Log on target DC dcnh1:
>>> =============>>> [2017/12/27 08:20:55.278559,  5]
>>> ../auth/auth_log.c:860(log_successful_authz_event_human_readable)
>>>    Successful AuthZ: [DCE/RPC,ncacn_ip_tcp] user [NT
>>> AUTHORITY]\[ANONYMOUS LOGON] [S-1-5-7] at [Wed, 27 Dec 2017
>>> 08:20:55.278538 CET] Remote host [ipv4:192.168.172.14:36196] local
>>> host [ipv4:192.168.152.15:135]
>>> [2017/12/27 08:20:55.278641,  5] ../auth/auth_log.c:220(log_json)
>>>    JSON Authorization: {"timestamp":
>>> "2017-12-27T08:20:55.278587+0100", "type":
"Authorization",
>>> "Authorization": {"version":
{"major": 1, "minor": 0},
>>> "localAddress": "ipv4:192.168.152.15:135",
"remoteAddress":
>>> "ipv4:192.168.172.14:36196",
"serviceDescription": "DCE/RPC",
>>> "authType": "ncacn_ip_tcp", "domain":
"NT AUTHORITY", "account":
>>> "ANONYMOUS LOGON", "sid": "S-1-5-7",
"logonServer": "DCNH1",
>>> "transportProtection": "NONE",
"accountFlags": "0x00000010"}}
>>> [2017/12/27 08:20:55.278660,
>>> 3] ../auth/auth_log.c:139(get_auth_event_server)
>>> get_auth_event_server: Failed to find 'auth_event'
registered on
>>> the message bus to send JSON authentication events to:
>>> NT_STATUS_OBJECT_NAME_NOT_FOUND [2017/12/27 08:20:55.337740,  3]
>>> ../source4/smbd/service_stream.c:65(stream_terminate_connection)
>>>    Terminating connection - 'dcesrv:
>>> NT_STATUS_CONNECTION_DISCONNECTED' [2017/12/27
08:20:55.337873,  3]
>>> ../source4/smbd/process_single.c:114(single_terminate)
>>>    single_terminate: reason[dcesrv:
>>> NT_STATUS_CONNECTION_DISCONNECTED] [2017/12/27 08:20:55.506117,  3]
>>> ../lib/ldb-samba/ldb_wrap.c:326(ldb_wrap_connect)
>>>    ldb_wrap open of secrets.ldb
>>> [2017/12/27 08:20:55.506420,  5]
>>> ../auth/gensec/gensec_start.c:739(gensec_start_mech)
>>>    Starting GENSEC mechanism spnego
>>> [2017/12/27 08:20:55.506501,  5]
>>> ../auth/gensec/gensec_start.c:739(gensec_start_mech)
>>>    Starting GENSEC submechanism gssapi_krb5
>>> [2017/12/27 08:20:55.536259,  5]
>>>
../source4/auth/gensec/gensec_gssapi.c:668(gensec_gssapi_update_internal)
>>>    gensec_gssapi: credentials were delegated
>>> [2017/12/27 08:20:55.536320,  5]
>>>
../source4/auth/gensec/gensec_gssapi.c:685(gensec_gssapi_update_internal)
>>>    GSSAPI Connection will be cryptographically sealed
>>> [2017/12/27 08:20:55.538591,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>>
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES.i\26\15_T\04\00\00
>>> -> 0
>>> [2017/12/27 08:20:55.538644,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>>
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES.i\26\15_\04\02\00\00
>>> -> 0
>>> [2017/12/27 08:20:55.538712,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>>
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES.i\26\15_<\02\00\00
>>> -> 0
>>> [2017/12/27 08:20:55.538762,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>> objectSid=\01\01\00\00\00\00\00\05\09\00\00\00 -> 0
>>> [2017/12/27 08:20:55.538819,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>> objectSid=\01\01\00\00\00\00\00\01\00\00\00\00 -> 0
>>> [2017/12/27 08:20:55.538864,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>> objectSid=\01\01\00\00\00\00\00\05\02\00\00\00 -> 0
>>> [2017/12/27 08:20:55.538909,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>> objectSid=\01\01\00\00\00\00\00\05\0B\00\00\00 -> 0
>>> [2017/12/27 08:20:55.538967,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>> objectSid=\01\02\00\00\00\00\00\05\20\00\00\000\02\00\00 -> 0
>>> [2017/12/27 08:20:55.539029,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>> objectSid=\01\02\00\00\00\00\00\05\20\00\00\00\2A\02\00\00 -> 1
>>> [2017/12/27 08:20:55.539087,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>> objectSid=\01\02\00\00\00\00\00\05\20\00\00\00\21\02\00\00 -> 0
>>> [2017/12/27 08:20:55.539289,  4]
>>> ../auth/auth_log.c:860(log_successful_authz_event_human_readable)
>>>    Successful AuthZ: [DCE/RPC,krb5] user [AD]\[DCDO1$]
>>> [S-1-5-21-454945863-777199239-1595221609-1108] at [Wed, 27 Dec 2017
>>> 08:20:55.539277 CET] Remote host [ipv4:192.168.172.14:57364] local
>>> host [ipv4:192.168.152.15:49152]
>>> [2017/12/27 08:20:55.539359,  4] ../auth/auth_log.c:220(log_json)
>>>    JSON Authorization: {"timestamp":
>>> "2017-12-27T08:20:55.539334+0100", "type":
"Authorization",
>>> "Authorization": {"version":
{"major": 1, "minor": 0},
>>> "localAddress": "ipv4:192.168.152.15:49152",
"remoteAddress":
>>> "ipv4:192.168.172.14:57364",
"serviceDescription": "DCE/RPC",
>>> "authType": "krb5", "domain":
"AD", "account": "DCDO1$", "sid":
>>> "S-1-5-21-454945863-777199239-1595221609-1108",
"logonServer":
>>> "DCDO1", "transportProtection":
"SEAL", "accountFlags":
>>> "0x00002100"}} [2017/12/27 08:20:55.539398,
>>> 3] ../auth/auth_log.c:139(get_auth_event_server)
>>> get_auth_event_server: Failed to find 'auth_event'
registered on
>>> the message bus to send JSON authentication events to:
>>> NT_STATUS_OBJECT_NAME_NOT_FOUND [2017/12/27 08:20:55.568937,  3]
>>>
../source4/rpc_server/drsuapi/dcesrv_drsuapi.c:89(dcesrv_drsuapi_DsBind)
>>>    ../source4/rpc_server/drsuapi/dcesrv_drsuapi.c:89: doing DsBind
>>> with system_session
>>> [2017/12/27 08:20:55.641297,  3]
>>> ../lib/ldb-samba/ldb_wrap.c:326(ldb_wrap_connect)
>>>    ldb_wrap open of secrets.ldb
>>> [2017/12/27 08:20:55.644257,  5]
>>> ../source4/ldap_server/ldap_backend.c:578(ldapsrv_SearchRequest)
>>>    ldb_request BASE dn>>>
filter=(|(objectClass=*)(distinguishedName=*)) [2017/12/27
>>> 08:20:55.706421,  6] ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
>>> [2017/12/27 08:20:55.706573,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
>>> [2017/12/27 08:20:55.706777,  3]
>>>
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
>>>    Kerberos: TGS-REQ DCDO1$@AD.kdu.COM from
>>> ipv4:192.168.172.14:48486 for ldap/dcnh1.ad.kdu.com at AD.kdu.COM
>>> [canonicalize] [2017/12/27 08:20:55.708186,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
>>> [2017/12/27 08:20:55.708670,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
>>> [2017/12/27 08:20:55.708795,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
>>> [2017/12/27 08:20:55.709594,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
>>> [2017/12/27 08:20:55.710027,  3]
>>>
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
>>>    Kerberos: TGS-REQ authtime: 2017-12-27T08:20:54 starttime:
>>> 2017-12-27T08:20:55 endtime: 2017-12-27T18:20:54 renew till: unset
>>> [2017/12/27 08:20:55.740222,  3]
>>> ../source4/smbd/service_stream.c:65(stream_terminate_connection)
>>>    Terminating connection - 'kdc_tcp_call_loop:
>>> tstream_read_pdu_blob_recv() -
NT_STATUS_CONNECTION_DISCONNECTED'
>>> [2017/12/27 08:20:55.740440,  3]
>>> ../source4/smbd/process_single.c:114(single_terminate)
>>>    single_terminate: reason[kdc_tcp_call_loop:
>>> tstream_read_pdu_blob_recv() - NT_STATUS_CONNECTION_DISCONNECTED]
>>> [2017/12/27 08:20:55.770764,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
>>> [2017/12/27 08:20:55.771034,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
>>> [2017/12/27 08:20:55.771283,  3]
>>>
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
>>>    Kerberos: TGS-REQ DCDO1$@AD.kdu.COM from
>>> ipv4:192.168.172.14:48488 for krbtgt/AD.kdu.COM at AD.kdu.COM
>>> [forwarded, forwardable] [2017/12/27 08:20:55.771576,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
>>> [2017/12/27 08:20:55.771786,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
>>> [2017/12/27 08:20:55.772103,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
>>> [2017/12/27 08:20:55.772257,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
>>> [2017/12/27 08:20:55.773194,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
>>> [2017/12/27 08:20:55.773691,  3]
>>>
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
>>>    Kerberos: TGS-REQ authtime: 2017-12-27T08:20:54 starttime:
>>> 2017-12-27T08:20:55 endtime: 2017-12-27T18:20:54 renew till: unset
>>> [2017/12/27 08:20:55.804565,  3]
>>> ../source4/smbd/service_stream.c:65(stream_terminate_connection)
>>>    Terminating connection - 'kdc_tcp_call_loop:
>>> tstream_read_pdu_blob_recv() -
NT_STATUS_CONNECTION_DISCONNECTED'
>>> [2017/12/27 08:20:55.804774,  3]
>>> ../source4/smbd/process_single.c:114(single_terminate)
>>>    single_terminate: reason[kdc_tcp_call_loop:
>>> tstream_read_pdu_blob_recv() - NT_STATUS_CONNECTION_DISCONNECTED]
>>> [2017/12/27 08:20:55.806137,  5]
>>> ../auth/gensec/gensec_start.c:739(gensec_start_mech)
>>>    Starting GENSEC mechanism spnego
>>> [2017/12/27 08:20:55.806296,  5]
>>> ../auth/gensec/gensec_start.c:739(gensec_start_mech)
>>>    Starting GENSEC submechanism gssapi_krb5
>>> [2017/12/27 08:20:55.807170,  5]
>>>
../source4/auth/gensec/gensec_gssapi.c:668(gensec_gssapi_update_internal)
>>>    gensec_gssapi: credentials were delegated
>>> [2017/12/27 08:20:55.807242,  5]
>>>
../source4/auth/gensec/gensec_gssapi.c:687(gensec_gssapi_update_internal)
>>>    GSSAPI Connection will be cryptographically signed
>>> [2017/12/27 08:20:55.810168,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>>
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES.i\26\15_T\04\00\00
>>> -> 0
>>> [2017/12/27 08:20:55.810265,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>>
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES.i\26\15_\04\02\00\00
>>> -> 0
>>> [2017/12/27 08:20:55.810353,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>>
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES.i\26\15_<\02\00\00
>>> -> 0
>>> [2017/12/27 08:20:55.810428,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>> objectSid=\01\01\00\00\00\00\00\05\09\00\00\00 -> 0
>>> [2017/12/27 08:20:55.810507,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>> objectSid=\01\01\00\00\00\00\00\01\00\00\00\00 -> 0
>>> [2017/12/27 08:20:55.810582,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>> objectSid=\01\01\00\00\00\00\00\05\02\00\00\00 -> 0
>>> [2017/12/27 08:20:55.810674,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>> objectSid=\01\01\00\00\00\00\00\05\0B\00\00\00 -> 0
>>> [2017/12/27 08:20:55.810745,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>> objectSid=\01\02\00\00\00\00\00\05\20\00\00\000\02\00\00 -> 0
>>> [2017/12/27 08:20:55.810826,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>> objectSid=\01\02\00\00\00\00\00\05\20\00\00\00\2A\02\00\00 -> 1
>>> [2017/12/27 08:20:55.810901,  6]
>>> ../lib/util/util_ldb.c:60(gendb_search_v)
>>>    gendb_search_v: NULL
>>> objectSid=\01\02\00\00\00\00\00\05\20\00\00\00\21\02\00\00 -> 0
>>> [2017/12/27 08:20:55.811125,  4]
>>> ../auth/auth_log.c:860(log_successful_authz_event_human_readable)
>>>    Successful AuthZ: [LDAP,krb5] user [AD]\[DCDO1$]
>>> [S-1-5-21-454945863-777199239-1595221609-1108] at [Wed, 27 Dec 2017
>>> 08:20:55.811108 CET] Remote host [ipv4:192.168.172.14:56798] local
>>> host [ipv4:192.168.152.15:389]
>>> [2017/12/27 08:20:55.811301,  4] ../auth/auth_log.c:220(log_json)
>>>    JSON Authorization: {"timestamp":
>>> "2017-12-27T08:20:55.811228+0100", "type":
"Authorization",
>>> "Authorization": {"version":
{"major": 1, "minor": 0},
>>> "localAddress": "ipv4:192.168.152.15:389",
"remoteAddress":
>>> "ipv4:192.168.172.14:56798",
"serviceDescription": "LDAP",
>>> "authType": "krb5", "domain":
"AD", "account": "DCDO1$", "sid":
>>> "S-1-5-21-454945863-777199239-1595221609-1108",
"logonServer":
>>> "DCDO1", "transportProtection":
"SIGN", "accountFlags":
>>> "0x00002100"}} [2017/12/27 08:20:55.811385,
>>> 3] ../auth/auth_log.c:139(get_auth_event_server)
>>> get_auth_event_server: Failed to find 'auth_event'
registered on
>>> the message bus to send JSON authentication events to:
>>> NT_STATUS_OBJECT_NAME_NOT_FOUND [2017/12/27 08:20:55.841539,  5]
>>> ../source4/ldap_server/ldap_backend.c:578(ldapsrv_SearchRequest)
>>>    ldb_request BASE dn= filter=(objectClass=*)
>>> [2017/12/27 08:20:55.871177,  5]
>>> ../source4/ldap_server/ldap_backend.c:578(ldapsrv_SearchRequest)
>>>    ldb_request SUB dn=CN=Configuration,DC=ad,DC=kdu,DC=com
>>>
filter=(&(objectCategory=server)(|(name=dcdo1.ad.kdu.com)(dNSHostName=dcdo1.ad.kdu.com)))
>>> [2017/12/27 08:20:55.902579,  5]
>>> ../source4/ldap_server/ldap_backend.c:578(ldapsrv_SearchRequest)
>>>    ldb_request ONE
>>>
dn=CN=DCDO1,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=ad,DC=kdu,DC=com
>>> filter=(|(objectCategory=nTDSDSA)(objectCategory=nTDSDSARO))
>>> [2017/12/27 08:20:55.932550,  5]
>>> default/librpc/gen_ndr/ndr_drsuapi_s.c:93(drsuapi__op_dispatch)
>>>    function drsuapi_DsReplicaSync will reply async
>>> [2017/12/27 08:20:55.932676,  3]
>>>
../source4/dsdb/repl/drepl_service.c:206(_drepl_schedule_replication)
>>>    _drepl_schedule_replication: forcing sync of partition
>>> (141bbe37-5eda-42b8-b904-0b75e26b1e2d, dc=ad,dc=kdu,dc=com,
>>> 1d535613-81fa-435f-ba17-631d5742c775._msdcs.ad.kdu.com)
>>> [2017/12/27 08:20:55.932697,  4]
>>>
../source4/dsdb/repl/drepl_periodic.c:187(dreplsrv_pendingops_schedule)
>>>    dreplsrv_pending_schedule(1) scheduled for: Wed Dec 27 08:20:57
>>> 2017 CET
>>> [2017/12/27 08:20:56.971645,  4]
>>>
../source4/dsdb/samdb/ldb_modules/repl_meta_data.c:6725(replmd_extended_replicated_objects)
>>>    linked_attributes_count=0
>>> [2017/12/27 08:20:56.971966,  4]
>>>
../source4/dsdb/samdb/ldb_modules/repl_meta_data.c:6561(replmd_replicated_uptodate_modify)
>>>    DRS replication uptodate modify message:
>>>    dn: DC=ad,DC=kdu,DC=com
>>>    changetype: modify
>>>    replace: replUpToDateVector
>>>    replUpToDateVector::
>>> AgAAAAAAAAADAAAAAAAAABblFEZH4CNPh3GL0LFEOVz6FAAAAAAAAACAP
>>>
tXesZ0BhJrYYEE7/kOJnoKr3dq/vN0PAAAAAAAAAIA+1d6xnQHgHbdwEVrzS7KYP2wnvCZRbBYAAA
>>>
>>>     AAAAAAgD7V3rGdAQ=>>>    -
>>>    replace: repsFrom
>>>    repsFrom::
>>> AQAAAAAAAAAOAQAAAAAAAMHaUxADAAAAwdpTEAMAAAAAAAAA0AAAAD4AAAB0AAAAERE
>>>
RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERER
>>>
>>>
ERERERERERERERERERERERERERERERERAAAAAGsWAAAAAAAAAAAAAAAAAABrFgAAAAAAAKQMPrx0t
>>>
>>>
UlIhMh6s36sM6XgHbdwEVrzS7KYP2wnvCZRAAAAAAAAAAAAAAAAAAAAADoAAABiYzNlMGNhNC1iNT
>>>
>>> c0LTQ4NDktODRjOC03YWIzN2VhYzMzYTUuX21zZGNzLmFkLmthbmRvdS5jb20A
>>>    repsFrom::
>>> AQAAAAAAAAAOAQAAuQIAANjaUxADAAAA2NpTEAMAAAAAAAAA0AAAAD4AAABkAAAAERE
>>>
RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERER
>>>
>>>
ERERERERERERERERERERERERERERERERAAAAAPgUAAAAAAAAAAAAAAAAAAD4FAAAAAAAABNWUx36g
>>>
>>>
V9DuhdjHVdCx3UW5RRGR+AjT4dxi9CxRDlcAAAAAAAAAAAAAAAAAAAAADoAAAAxZDUzNTYxMy04MW
>>>
>>> ZhLTQzNWYtYmExNy02MzFkNTc0MmM3NzUuX21zZGNzLmFkLmthbmRvdS5jb20A
>>>    -
>>>
>>>
>>> [2017/12/27 08:20:56.974912,  2]
>>>
../source4/dsdb/repl/replicated_objects.c:1020(dsdb_replicated_objects_commit)
>>>    Replicated 0 objects (0 linked attributes) for
DC=ad,DC=kdu,DC=com
>>> [2017/12/27 08:20:57.004974,  0]
>>>
../source4/dsdb/repl/drepl_out_helpers.c:1087(dreplsrv_update_refs_done)
>>>    UpdateRefs failed with WERR_DS_DRA_ACCESS_DENIED/NT code
>>> 0xc0002105 for
>>> 0acce4bc-1193-4609-8e4d-a0771bb6fb76._msdcs.ad.kdu.com
>>> DC=ad,DC=kdu,DC=com [2017/12/27 08:20:57.005468,  4]
>>>
../source4/dsdb/repl/drepl_out_pull.c:181(dreplsrv_pending_op_callback)
>>>    dreplsrv_op_pull_source(WERR_DS_DRA_ACCESS_DENIED) for
>>> DC=ad,DC=kdu,DC=com
>>> [2017/12/27 08:20:57.009507,  5]
>>> default/librpc/gen_ndr/ndr_drsuapi_s.c:389(drsuapi__op_reply)
>>>    function drsuapi_DsReplicaSync replied async
>>> [2017/12/27 08:20:57.053246,  3]
>>> ../source4/smbd/service_stream.c:65(stream_terminate_connection)
>>>    Terminating connection - 'dcesrv:
>>> NT_STATUS_CONNECTION_DISCONNECTED' [2017/12/27
08:20:57.053478,  3]
>>> ../source4/smbd/process_single.c:114(single_terminate)
>>>    single_terminate: reason[dcesrv:
>>> NT_STATUS_CONNECTION_DISCONNECTED] [2017/12/27 08:20:57.053528,  3]
>>> ../source4/smbd/service_stream.c:65(stream_terminate_connection)
>>>    Terminating connection - 'ldapsrv_call_loop:
>>> tstream_read_pdu_blob_recv() -
NT_STATUS_CONNECTION_DISCONNECTED'
>>> [2017/12/27 08:20:57.053760,  2]
>>> ../source4/smbd/process_standard.c:473(standard_terminate)
>>>    standard_terminate: reason[ldapsrv_call_loop:
>>> tstream_read_pdu_blob_recv() - NT_STATUS_CONNECTION_DISCONNECTED]
>>> [2017/12/27 08:20:57.057842,  2]
>>> ../source4/smbd/process_standard.c:157(standard_child_pipe_handler)
>>>    Child 900 () exited with status 0
>>>
>>> Any hints/ideas very much appreciated ...
>>>
>>> Thanks,
>>>
>>> Uli
>>>
>>>
>>
> Couple of thoughts, try reading this:
>
> https://wiki.samba.org/index.php/Verifying_and_Creating_a_DC_DNS_Record
>
> and this:
>
> https://wiki.samba.org/index.php/Manually_Replicating_Directory_Partitions
>
> Does the missing 'CN' exist on the other two DCs ?
>
> Rowland
>

Heinz Hölzl

2018-Jan-16 09:37 UTC

head link

[Samba] AD replication problem "WERR_DS_DRA_ACCESS_DENIED" - need help debugging

Hi,

i have the same problem on samba 4.7.3 and 4.7.4.
I start with 2 DCs and the sync works fine. After the join of a third
DC mostly i get the WERR_DS_DRA_ACCESS_DENIED. I tested it for 10
times. 

in my case i have:
DC1 (with any FSMO Roles)
DC2

new join as DC:
DC3

After the join, the sync from DC2 to DC3 fails.

samba-tool drs replicate dc2 dc1 dc=gvcc,dc=net : OK
samba-tool drs replicate dc1 dc2 dc=gvcc,dc=net : OK
samba-tool drs replicate dc2 dc3 dc=gvcc,dc=net : OK 
samba-tool drs replicate dc1 dc3 dc=gvcc,dc=net : OK 
samba-tool drs replicate dc3 dc1 dc=gvcc,dc=net : OK 
samba-tool drs replicate dc3 dc2 dc=gvcc,dc=net : NOT OK 



p.s. DC3 is a new server witch newer was member in the ADS.


regards,
heinz

Am Mittwoch, den 27.12.2017, 14:44 +0100 schrieb Dr. Johannes-Ulrich
Menzebach via samba:> Rowland,
> 
> - the DN "CN=DCNH1,..." exists on all 3 DCs (pointing the Sites
and
> Services console to each of them).
> - I also checked that "samba-tool dbcheck" completes w/o showing
> errors.
> - the objectGUID DNS aliases of all DCs are resolvable against all 3 
> DCs' builtin DNS
> - I forced a full sync from the FSMO holder (dcge1) to the 2 other
> DCs 
> which finished w/o errors.
> - after that, sync and also full sync dcdo1-->dcnh1 failed exactly
> as 
> earlier.
> 
> I'm wondering whether this is related to 
> https://bugzilla.samba.org/show_bug.cgi?id=12972 , however I'm
> running 
> 4.7.4 and the domain had been created under 4.7.3 (based on the
> Samba 
> Wiki). Apart from the sync issue I'm VERY happy with Samba4/AD.
> 
> Many thanks,
> 
> Uli
> 
> 
> 
> On 12/27/2017 01:29 PM, Rowland Penny via samba wrote:
> > On Wed, 27 Dec 2017 13:00:05 +0100
> > "Dr. Johannes-Ulrich Menzebach via samba" <samba at
lists.samba.org>
> > wrote:
> > 
> > > There is additional info in the logs of the source DC (dcdo1, log
> > > level 2, manually triggered another replication):
> > > ===================> > > [2017/12/27 12:31:29.695121, 
2]
> > > ../source4/rpc_server/drsuapi/getncchanges.c:1731(getncchanges_co
> > > llect_objects)
> > >     ../source4/rpc_server/drsuapi/getncchanges.c:1731:
> > > getncchanges on
> > > DC=ad,DC=kdu,DC=com using filter (uSNChanged>=5415)
> > > [2017/12/27 12:31:29.698828,  2]
> > > ../source4/rpc_server/drsuapi/getncchanges.c:3006(dcesrv_drsuapi_
> > > DsGetNCChanges)
> > >     DsGetNCChanges with uSNChanged >= 5415 flags 0x80000064 on
> > >
<GUID=141bbe37-5eda-42b8-b904-0b75e26b1e2d>;<SID=S-1-5-21-
> > > 454945863-777199239-1595221609>;DC=ad,DC=kdu,DC=com
> > > gave 0 objects (done 0/0) 0 links (done 0/0 (as
> > > S-1-5-21-454945863-777199239-1595221609-1112))
> > > [2017/12/27 12:31:29.733157,  1]
> > > ../source4/dsdb/common/util.c:4807(dsdb_validate_dsa_guid)
> > >     ../source4/dsdb/common/util.c:4807: Failed to find account dn
> > > (serverReference) for
> > > CN=DCNH1,CN=Servers,CN=Default-First-Site-
> > > Name,CN=Sites,CN=Configuration,DC=ad,DC=kdu,DC=com,
> > > parent of DSA with objectGUID 0acce4bc-1193-4609-8e4d-
> > > a0771bb6fb76,
> > > sid S-1-5-21-454945863-777199239-1595221609-1112
> > > [2017/12/27 12:31:29.733198,  0]
> > > ../source4/rpc_server/drsuapi/updaterefs.c:374(dcesrv_drsuapi_DsR
> > > eplicaUpdateRefs)
> > >     ../source4/rpc_server/drsuapi/updaterefs.c:374: Refusing
> > > DsReplicaUpdateRefs for sid
> > > S-1-5-21-454945863-777199239-1595221609-1112 with GUID
> > > 0acce4bc-1193-4609-8e4d-a0771bb6fb76
> > > 
> > > According to what I see in the "Sites and Services"
RSAT console
> > > the
> > > DN for
> > > CN=DCNH1,CN=Servers,CN=Default-First-Site-
> > > Name,CN=Sites,CN=Configuration,DC=ad,DC=kdu,DC=com
> > > seems to exist.
> > > 
> > > Any ideas?
> > > 
> > > Thanks,
> > > 
> > >       Uli
> > > 
> > > 
> > > 
> > > On 12/27/2017 09:59 AM, Dr. Johannes-Ulrich Menzebach via samba
> > > wrote:
> > > > We have 3 ADCs based on Samba-4.7.4 (compiled from
> > > > source,internal
> > > > DNS)/ CentOS7: dcdo1,dcnh1 and dcge1. dcge1 holds all FSMO
> > > > roles.
> > > > The 3 ADCs are on different locations connected via IPSec
based
> > > > VPN. No traffic is filtered out.
> > > > 
> > > > All 3 ADCs replicate fine except dcdo1 -->dcnh1. Symptom:
> > > > 
> > > > [root at dcdo1 ~]# samba-tool drs replicate dcnh1.ad.kdu.com
> > > > dcdo1.ad.kdu.com dc=ad,dc=kdu,dc=com
> > > > ERROR(<class 'samba.drs_utils.drsException'>):
DsReplicaSync
> > > > failed
> > > > - drsException: DsReplicaSync failed (8453,
> > > > 'WERR_DS_DRA_ACCESS_DENIED') File
> > > >
"/usr/lib64/python2.7/site-packages/samba/netcmd/drs.py", line
> > > > 386,
> > > > in run drs_utils.sendDsReplicaSync(server_bind,
> > > > server_bind_handle,
> > > > source_dsa_guid, NC, req_options)
> > > >    File "/usr/lib64/python2.7/site-
> > > > packages/samba/drs_utils.py",
> > > > line 85, in sendDsReplicaSync
> > > >      raise drsException("DsReplicaSync failed %s"
% estr)
> > > > 
> > > > Log on dcdo1:
> > > > =============> > > > [2017/12/27
08:20:56.335895,  0]
> > > >
../source4/rpc_server/drsuapi/updaterefs.c:374(dcesrv_drsuapi_D
> > > > sReplicaUpdateRefs)
> > > >    ../source4/rpc_server/drsuapi/updaterefs.c:374: Refusing
> > > > DsReplicaUpdateRefs for sid
> > > > S-1-5-21-454945863-777199239-1595221609-1112 with GUID
> > > > 0acce4bc-1193-4609-8e4d-a0771bb6fb76
> > > > 
> > > > Log on target DC dcnh1:
> > > > =============> > > > [2017/12/27
08:20:55.278559,  5]
> > > >
../auth/auth_log.c:860(log_successful_authz_event_human_readabl
> > > > e)
> > > >    Successful AuthZ: [DCE/RPC,ncacn_ip_tcp] user [NT
> > > > AUTHORITY]\[ANONYMOUS LOGON] [S-1-5-7] at [Wed, 27 Dec 2017
> > > > 08:20:55.278538 CET] Remote host [ipv4:192.168.172.14:36196]
> > > > local
> > > > host [ipv4:192.168.152.15:135]
> > > > [2017/12/27 08:20:55.278641,  5]
> > > > ../auth/auth_log.c:220(log_json)
> > > >    JSON Authorization: {"timestamp":
> > > > "2017-12-27T08:20:55.278587+0100",
"type": "Authorization",
> > > > "Authorization": {"version":
{"major": 1, "minor": 0},
> > > > "localAddress":
"ipv4:192.168.152.15:135", "remoteAddress":
> > > > "ipv4:192.168.172.14:36196",
"serviceDescription": "DCE/RPC",
> > > > "authType": "ncacn_ip_tcp",
"domain": "NT AUTHORITY",
> > > > "account":
> > > > "ANONYMOUS LOGON", "sid":
"S-1-5-7", "logonServer": "DCNH1",
> > > > "transportProtection": "NONE",
"accountFlags": "0x00000010"}}
> > > > [2017/12/27 08:20:55.278660,
> > > > 3] ../auth/auth_log.c:139(get_auth_event_server)
> > > > get_auth_event_server: Failed to find 'auth_event'
registered
> > > > on
> > > > the message bus to send JSON authentication events to:
> > > > NT_STATUS_OBJECT_NAME_NOT_FOUND [2017/12/27 08:20:55.337740,
> > > > 3]
> > > >
../source4/smbd/service_stream.c:65(stream_terminate_connection
> > > > )
> > > >    Terminating connection - 'dcesrv:
> > > > NT_STATUS_CONNECTION_DISCONNECTED' [2017/12/27
> > > > 08:20:55.337873,  3]
> > > > ../source4/smbd/process_single.c:114(single_terminate)
> > > >    single_terminate: reason[dcesrv:
> > > > NT_STATUS_CONNECTION_DISCONNECTED] [2017/12/27
> > > > 08:20:55.506117,  3]
> > > > ../lib/ldb-samba/ldb_wrap.c:326(ldb_wrap_connect)
> > > >    ldb_wrap open of secrets.ldb
> > > > [2017/12/27 08:20:55.506420,  5]
> > > > ../auth/gensec/gensec_start.c:739(gensec_start_mech)
> > > >    Starting GENSEC mechanism spnego
> > > > [2017/12/27 08:20:55.506501,  5]
> > > > ../auth/gensec/gensec_start.c:739(gensec_start_mech)
> > > >    Starting GENSEC submechanism gssapi_krb5
> > > > [2017/12/27 08:20:55.536259,  5]
> > > >
../source4/auth/gensec/gensec_gssapi.c:668(gensec_gssapi_update
> > > > _internal)
> > > >    gensec_gssapi: credentials were delegated
> > > > [2017/12/27 08:20:55.536320,  5]
> > > >
../source4/auth/gensec/gensec_gssapi.c:685(gensec_gssapi_update
> > > > _internal)
> > > >    GSSAPI Connection will be cryptographically sealed
> > > > [2017/12/27 08:20:55.538591,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > >
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES
> > > > .i\26\15_T\04\00\00
> > > > -> 0
> > > > [2017/12/27 08:20:55.538644,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > >
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES
> > > > .i\26\15_\04\02\00\00
> > > > -> 0
> > > > [2017/12/27 08:20:55.538712,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > >
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES
> > > > .i\26\15_<\02\00\00
> > > > -> 0
> > > > [2017/12/27 08:20:55.538762,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > > objectSid=\01\01\00\00\00\00\00\05\09\00\00\00 -> 0
> > > > [2017/12/27 08:20:55.538819,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > > objectSid=\01\01\00\00\00\00\00\01\00\00\00\00 -> 0
> > > > [2017/12/27 08:20:55.538864,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > > objectSid=\01\01\00\00\00\00\00\05\02\00\00\00 -> 0
> > > > [2017/12/27 08:20:55.538909,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > > objectSid=\01\01\00\00\00\00\00\05\0B\00\00\00 -> 0
> > > > [2017/12/27 08:20:55.538967,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > > objectSid=\01\02\00\00\00\00\00\05\20\00\00\000\02\00\00
-> 0
> > > > [2017/12/27 08:20:55.539029,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > > objectSid=\01\02\00\00\00\00\00\05\20\00\00\00\2A\02\00\00
-> 1
> > > > [2017/12/27 08:20:55.539087,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > > objectSid=\01\02\00\00\00\00\00\05\20\00\00\00\21\02\00\00
-> 0
> > > > [2017/12/27 08:20:55.539289,  4]
> > > >
../auth/auth_log.c:860(log_successful_authz_event_human_readabl
> > > > e)
> > > >    Successful AuthZ: [DCE/RPC,krb5] user [AD]\[DCDO1$]
> > > > [S-1-5-21-454945863-777199239-1595221609-1108] at [Wed, 27
Dec
> > > > 2017
> > > > 08:20:55.539277 CET] Remote host [ipv4:192.168.172.14:57364]
> > > > local
> > > > host [ipv4:192.168.152.15:49152]
> > > > [2017/12/27 08:20:55.539359,  4]
> > > > ../auth/auth_log.c:220(log_json)
> > > >    JSON Authorization: {"timestamp":
> > > > "2017-12-27T08:20:55.539334+0100",
"type": "Authorization",
> > > > "Authorization": {"version":
{"major": 1, "minor": 0},
> > > > "localAddress":
"ipv4:192.168.152.15:49152", "remoteAddress":
> > > > "ipv4:192.168.172.14:57364",
"serviceDescription": "DCE/RPC",
> > > > "authType": "krb5", "domain":
"AD", "account": "DCDO1$", "sid":
> > > > "S-1-5-21-454945863-777199239-1595221609-1108",
"logonServer":
> > > > "DCDO1", "transportProtection":
"SEAL", "accountFlags":
> > > > "0x00002100"}} [2017/12/27 08:20:55.539398,
> > > > 3] ../auth/auth_log.c:139(get_auth_event_server)
> > > > get_auth_event_server: Failed to find 'auth_event'
registered
> > > > on
> > > > the message bus to send JSON authentication events to:
> > > > NT_STATUS_OBJECT_NAME_NOT_FOUND [2017/12/27 08:20:55.568937,
> > > > 3]
> > > >
../source4/rpc_server/drsuapi/dcesrv_drsuapi.c:89(dcesrv_drsuap
> > > > i_DsBind)
> > > >    ../source4/rpc_server/drsuapi/dcesrv_drsuapi.c:89: doing
> > > > DsBind
> > > > with system_session
> > > > [2017/12/27 08:20:55.641297,  3]
> > > > ../lib/ldb-samba/ldb_wrap.c:326(ldb_wrap_connect)
> > > >    ldb_wrap open of secrets.ldb
> > > > [2017/12/27 08:20:55.644257,  5]
> > > >
../source4/ldap_server/ldap_backend.c:578(ldapsrv_SearchRequest
> > > > )
> > > >    ldb_request BASE dn> > > >
filter=(|(objectClass=*)(distinguishedName=*)) [2017/12/27
> > > > 08:20:55.706421,  6]
../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > > > [2017/12/27 08:20:55.706573,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > > > [2017/12/27 08:20:55.706777,  3]
> > > >
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_
> > > > wrapper)
> > > >    Kerberos: TGS-REQ DCDO1$@AD.kdu.COM from
> > > > ipv4:192.168.172.14:48486 for ldap/dcnh1.ad.kdu.com at
AD.kdu.COM
> > > > [canonicalize] [2017/12/27 08:20:55.708186,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > > > [2017/12/27 08:20:55.708670,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > > > [2017/12/27 08:20:55.708795,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > > > [2017/12/27 08:20:55.709594,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > > > [2017/12/27 08:20:55.710027,  3]
> > > >
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_
> > > > wrapper)
> > > >    Kerberos: TGS-REQ authtime: 2017-12-27T08:20:54
starttime:
> > > > 2017-12-27T08:20:55 endtime: 2017-12-27T18:20:54 renew till:
> > > > unset
> > > > [2017/12/27 08:20:55.740222,  3]
> > > >
../source4/smbd/service_stream.c:65(stream_terminate_connection
> > > > )
> > > >    Terminating connection - 'kdc_tcp_call_loop:
> > > > tstream_read_pdu_blob_recv() -
> > > > NT_STATUS_CONNECTION_DISCONNECTED'
> > > > [2017/12/27 08:20:55.740440,  3]
> > > > ../source4/smbd/process_single.c:114(single_terminate)
> > > >    single_terminate: reason[kdc_tcp_call_loop:
> > > > tstream_read_pdu_blob_recv() -
> > > > NT_STATUS_CONNECTION_DISCONNECTED]
> > > > [2017/12/27 08:20:55.770764,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > > > [2017/12/27 08:20:55.771034,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > > > [2017/12/27 08:20:55.771283,  3]
> > > >
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_
> > > > wrapper)
> > > >    Kerberos: TGS-REQ DCDO1$@AD.kdu.COM from
> > > > ipv4:192.168.172.14:48488 for krbtgt/AD.kdu.COM at
AD.kdu.COM
> > > > [forwarded, forwardable] [2017/12/27 08:20:55.771576,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > > > [2017/12/27 08:20:55.771786,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > > > [2017/12/27 08:20:55.772103,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > > > [2017/12/27 08:20:55.772257,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > > > [2017/12/27 08:20:55.773194,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: DC=ad,DC=kdu,DC=com NULL -> 1
> > > > [2017/12/27 08:20:55.773691,  3]
> > > >
../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_
> > > > wrapper)
> > > >    Kerberos: TGS-REQ authtime: 2017-12-27T08:20:54
starttime:
> > > > 2017-12-27T08:20:55 endtime: 2017-12-27T18:20:54 renew till:
> > > > unset
> > > > [2017/12/27 08:20:55.804565,  3]
> > > >
../source4/smbd/service_stream.c:65(stream_terminate_connection
> > > > )
> > > >    Terminating connection - 'kdc_tcp_call_loop:
> > > > tstream_read_pdu_blob_recv() -
> > > > NT_STATUS_CONNECTION_DISCONNECTED'
> > > > [2017/12/27 08:20:55.804774,  3]
> > > > ../source4/smbd/process_single.c:114(single_terminate)
> > > >    single_terminate: reason[kdc_tcp_call_loop:
> > > > tstream_read_pdu_blob_recv() -
> > > > NT_STATUS_CONNECTION_DISCONNECTED]
> > > > [2017/12/27 08:20:55.806137,  5]
> > > > ../auth/gensec/gensec_start.c:739(gensec_start_mech)
> > > >    Starting GENSEC mechanism spnego
> > > > [2017/12/27 08:20:55.806296,  5]
> > > > ../auth/gensec/gensec_start.c:739(gensec_start_mech)
> > > >    Starting GENSEC submechanism gssapi_krb5
> > > > [2017/12/27 08:20:55.807170,  5]
> > > >
../source4/auth/gensec/gensec_gssapi.c:668(gensec_gssapi_update
> > > > _internal)
> > > >    gensec_gssapi: credentials were delegated
> > > > [2017/12/27 08:20:55.807242,  5]
> > > >
../source4/auth/gensec/gensec_gssapi.c:687(gensec_gssapi_update
> > > > _internal)
> > > >    GSSAPI Connection will be cryptographically signed
> > > > [2017/12/27 08:20:55.810168,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > >
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES
> > > > .i\26\15_T\04\00\00
> > > > -> 0
> > > > [2017/12/27 08:20:55.810265,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > >
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES
> > > > .i\26\15_\04\02\00\00
> > > > -> 0
> > > > [2017/12/27 08:20:55.810353,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > >
objectSid=\01\05\00\00\00\00\00\05\15\00\00\00G\EC\1D\1B\87\1ES
> > > > .i\26\15_<\02\00\00
> > > > -> 0
> > > > [2017/12/27 08:20:55.810428,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > > objectSid=\01\01\00\00\00\00\00\05\09\00\00\00 -> 0
> > > > [2017/12/27 08:20:55.810507,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > > objectSid=\01\01\00\00\00\00\00\01\00\00\00\00 -> 0
> > > > [2017/12/27 08:20:55.810582,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > > objectSid=\01\01\00\00\00\00\00\05\02\00\00\00 -> 0
> > > > [2017/12/27 08:20:55.810674,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > > objectSid=\01\01\00\00\00\00\00\05\0B\00\00\00 -> 0
> > > > [2017/12/27 08:20:55.810745,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > > objectSid=\01\02\00\00\00\00\00\05\20\00\00\000\02\00\00
-> 0
> > > > [2017/12/27 08:20:55.810826,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > > objectSid=\01\02\00\00\00\00\00\05\20\00\00\00\2A\02\00\00
-> 1
> > > > [2017/12/27 08:20:55.810901,  6]
> > > > ../lib/util/util_ldb.c:60(gendb_search_v)
> > > >    gendb_search_v: NULL
> > > > objectSid=\01\02\00\00\00\00\00\05\20\00\00\00\21\02\00\00
-> 0
> > > > [2017/12/27 08:20:55.811125,  4]
> > > >
../auth/auth_log.c:860(log_successful_authz_event_human_readabl
> > > > e)
> > > >    Successful AuthZ: [LDAP,krb5] user [AD]\[DCDO1$]
> > > > [S-1-5-21-454945863-777199239-1595221609-1108] at [Wed, 27
Dec
> > > > 2017
> > > > 08:20:55.811108 CET] Remote host [ipv4:192.168.172.14:56798]
> > > > local
> > > > host [ipv4:192.168.152.15:389]
> > > > [2017/12/27 08:20:55.811301,  4]
> > > > ../auth/auth_log.c:220(log_json)
> > > >    JSON Authorization: {"timestamp":
> > > > "2017-12-27T08:20:55.811228+0100",
"type": "Authorization",
> > > > "Authorization": {"version":
{"major": 1, "minor": 0},
> > > > "localAddress":
"ipv4:192.168.152.15:389", "remoteAddress":
> > > > "ipv4:192.168.172.14:56798",
"serviceDescription": "LDAP",
> > > > "authType": "krb5", "domain":
"AD", "account": "DCDO1$", "sid":
> > > > "S-1-5-21-454945863-777199239-1595221609-1108",
"logonServer":
> > > > "DCDO1", "transportProtection":
"SIGN", "accountFlags":
> > > > "0x00002100"}} [2017/12/27 08:20:55.811385,
> > > > 3] ../auth/auth_log.c:139(get_auth_event_server)
> > > > get_auth_event_server: Failed to find 'auth_event'
registered
> > > > on
> > > > the message bus to send JSON authentication events to:
> > > > NT_STATUS_OBJECT_NAME_NOT_FOUND [2017/12/27 08:20:55.841539,
> > > > 5]
> > > >
../source4/ldap_server/ldap_backend.c:578(ldapsrv_SearchRequest
> > > > )
> > > >    ldb_request BASE dn= filter=(objectClass=*)
> > > > [2017/12/27 08:20:55.871177,  5]
> > > >
../source4/ldap_server/ldap_backend.c:578(ldapsrv_SearchRequest
> > > > )
> > > >    ldb_request SUB dn=CN=Configuration,DC=ad,DC=kdu,DC=com
> > > >
filter=(&(objectCategory=server)(|(name=dcdo1.ad.kdu.com)(dNSHo
> > > > stName=dcdo1.ad.kdu.com)))
> > > > [2017/12/27 08:20:55.902579,  5]
> > > >
../source4/ldap_server/ldap_backend.c:578(ldapsrv_SearchRequest
> > > > )
> > > >    ldb_request ONE
> > > > dn=CN=DCDO1,CN=Servers,CN=Default-First-Site-
> > > > Name,CN=Sites,CN=Configuration,DC=ad,DC=kdu,DC=com
> > > > filter=(|(objectCategory=nTDSDSA)(objectCategory=nTDSDSARO))
> > > > [2017/12/27 08:20:55.932550,  5]
> > > >
default/librpc/gen_ndr/ndr_drsuapi_s.c:93(drsuapi__op_dispatch)
> > > >    function drsuapi_DsReplicaSync will reply async
> > > > [2017/12/27 08:20:55.932676,  3]
> > > >
../source4/dsdb/repl/drepl_service.c:206(_drepl_schedule_replic
> > > > ation)
> > > >    _drepl_schedule_replication: forcing sync of partition
> > > > (141bbe37-5eda-42b8-b904-0b75e26b1e2d, dc=ad,dc=kdu,dc=com,
> > > > 1d535613-81fa-435f-ba17-631d5742c775._msdcs.ad.kdu.com)
> > > > [2017/12/27 08:20:55.932697,  4]
> > > >
../source4/dsdb/repl/drepl_periodic.c:187(dreplsrv_pendingops_s
> > > > chedule)
> > > >    dreplsrv_pending_schedule(1) scheduled for: Wed Dec 27
> > > > 08:20:57
> > > > 2017 CET
> > > > [2017/12/27 08:20:56.971645,  4]
> > > >
../source4/dsdb/samdb/ldb_modules/repl_meta_data.c:6725(replmd_
> > > > extended_replicated_objects)
> > > >    linked_attributes_count=0
> > > > [2017/12/27 08:20:56.971966,  4]
> > > >
../source4/dsdb/samdb/ldb_modules/repl_meta_data.c:6561(replmd_
> > > > replicated_uptodate_modify)
> > > >    DRS replication uptodate modify message:
> > > >    dn: DC=ad,DC=kdu,DC=com
> > > >    changetype: modify
> > > >    replace: replUpToDateVector
> > > >    replUpToDateVector::
> > > > AgAAAAAAAAADAAAAAAAAABblFEZH4CNPh3GL0LFEOVz6FAAAAAAAAACAP
> > > >
tXesZ0BhJrYYEE7/kOJnoKr3dq/vN0PAAAAAAAAAIA+1d6xnQHgHbdwEVrzS7KY
> > > > P2wnvCZRbBYAAA
> > > > 
> > > >     AAAAAAgD7V3rGdAQ=> > > >    -
> > > >    replace: repsFrom
> > > >    repsFrom::
> > > >
AQAAAAAAAAAOAQAAAAAAAMHaUxADAAAAwdpTEAMAAAAAAAAA0AAAAD4AAAB0AAA
> > > > AERE
> > > >
RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERER
> > > > ERERERERERERER
> > > > 
> > > >
ERERERERERERERERERERERERERERERERAAAAAGsWAAAAAAAAAAAAAAAAAABrFgA
> > > > AAAAAAKQMPrx0t
> > > > 
> > > >
UlIhMh6s36sM6XgHbdwEVrzS7KYP2wnvCZRAAAAAAAAAAAAAAAAAAAAADoAAABi
> > > > YzNlMGNhNC1iNT
> > > > 
> > > >
c0LTQ4NDktODRjOC03YWIzN2VhYzMzYTUuX21zZGNzLmFkLmthbmRvdS5jb20A
> > > >    repsFrom::
> > > >
AQAAAAAAAAAOAQAAuQIAANjaUxADAAAA2NpTEAMAAAAAAAAA0AAAAD4AAABkAAA
> > > > AERE
> > > >
RERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERER
> > > > ERERERERERERER
> > > > 
> > > >
ERERERERERERERERERERERERERERERERAAAAAPgUAAAAAAAAAAAAAAAAAAD4FAA
> > > > AAAAAABNWUx36g
> > > > 
> > > >
V9DuhdjHVdCx3UW5RRGR+AjT4dxi9CxRDlcAAAAAAAAAAAAAAAAAAAAADoAAAAx
> > > > ZDUzNTYxMy04MW
> > > > 
> > > >
ZhLTQzNWYtYmExNy02MzFkNTc0MmM3NzUuX21zZGNzLmFkLmthbmRvdS5jb20A
> > > >    -
> > > > 
> > > > 
> > > > [2017/12/27 08:20:56.974912,  2]
> > > >
../source4/dsdb/repl/replicated_objects.c:1020(dsdb_replicated_
> > > > objects_commit)
> > > >    Replicated 0 objects (0 linked attributes) for
> > > > DC=ad,DC=kdu,DC=com
> > > > [2017/12/27 08:20:57.004974,  0]
> > > >
../source4/dsdb/repl/drepl_out_helpers.c:1087(dreplsrv_update_r
> > > > efs_done)
> > > >    UpdateRefs failed with WERR_DS_DRA_ACCESS_DENIED/NT code
> > > > 0xc0002105 for
> > > > 0acce4bc-1193-4609-8e4d-a0771bb6fb76._msdcs.ad.kdu.com
> > > > DC=ad,DC=kdu,DC=com [2017/12/27 08:20:57.005468,  4]
> > > >
../source4/dsdb/repl/drepl_out_pull.c:181(dreplsrv_pending_op_c
> > > > allback)
> > > >    dreplsrv_op_pull_source(WERR_DS_DRA_ACCESS_DENIED) for
> > > > DC=ad,DC=kdu,DC=com
> > > > [2017/12/27 08:20:57.009507,  5]
> > > >
default/librpc/gen_ndr/ndr_drsuapi_s.c:389(drsuapi__op_reply)
> > > >    function drsuapi_DsReplicaSync replied async
> > > > [2017/12/27 08:20:57.053246,  3]
> > > >
../source4/smbd/service_stream.c:65(stream_terminate_connection
> > > > )
> > > >    Terminating connection - 'dcesrv:
> > > > NT_STATUS_CONNECTION_DISCONNECTED' [2017/12/27
> > > > 08:20:57.053478,  3]
> > > > ../source4/smbd/process_single.c:114(single_terminate)
> > > >    single_terminate: reason[dcesrv:
> > > > NT_STATUS_CONNECTION_DISCONNECTED] [2017/12/27
> > > > 08:20:57.053528,  3]
> > > >
../source4/smbd/service_stream.c:65(stream_terminate_connection
> > > > )
> > > >    Terminating connection - 'ldapsrv_call_loop:
> > > > tstream_read_pdu_blob_recv() -
> > > > NT_STATUS_CONNECTION_DISCONNECTED'
> > > > [2017/12/27 08:20:57.053760,  2]
> > > > ../source4/smbd/process_standard.c:473(standard_terminate)
> > > >    standard_terminate: reason[ldapsrv_call_loop:
> > > > tstream_read_pdu_blob_recv() -
> > > > NT_STATUS_CONNECTION_DISCONNECTED]
> > > > [2017/12/27 08:20:57.057842,  2]
> > > >
../source4/smbd/process_standard.c:157(standard_child_pipe_hand
> > > > ler)
> > > >    Child 900 () exited with status 0
> > > > 
> > > > Any hints/ideas very much appreciated ...
> > > > 
> > > > Thanks,
> > > > 
> > > > Uli
> > > > 
> > > > 
> > 
> > Couple of thoughts, try reading this:
> > 
> > https://wiki.samba.org/index.php/Verifying_and_Creating_a_DC_DNS_Re
> > cord
> > 
> > and this:
> > 
> > https://wiki.samba.org/index.php/Manually_Replicating_Directory_Par
> > titions
> > 
> > Does the missing 'CN' exist on the other two DCs ?
> > 
> > Rowland
> > 
> 
>

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