Markus Dellermann
2016-Feb-02 11:26 UTC
[Samba] samba_upgradedns returned an error "Unable to find uid/gid for Domain Admins "
Am Dienstag, 2. Februar 2016, 09:51:03 CET schrieb Rowland penny:> On 01/02/16 22:24, Markus Dellermann wrote: > > Hi at all, > > > > i´am using samba 4.3.4 as "ad", "migrated by classicupgrade" some time ago > > from an nt4-domain. > > > > By trying > > samba_upgradedns --dns-backend=BIND9_DLZ > > > > i get the following error: > > > > Traceback (most recent call last): > > File "/usr/sbin/samba_upgradedns", line 262, in <module> > > > > paths, lp.configfile, lp) > > > > File "/usr/lib64/python2.7/site-packages/samba/provision/__init__.py", > > line > > > > 298, in find_provision_key_parameters > > > > raise ProvisioningError("Unable to find uid/gid for Domain Admins rid > > (%s- > > > > %s" % (str(names.domainsid), security.DOMAIN_RID_ADMINISTRATOR)) > > samba.provision.ProvisioningError: ProvisioningError: Unable to find > > uid/gid for Domain Admins rid > > (S-1-5-21-855155194-824588496-1214258294-500 > > > > "Domain Admins" seems to be in "ad" > > Domain Admins may be in AD but that is not what is being searched for, > it is actually searching for Administrator, have you do anything to > Administrator in AD or idmap.ldb ? > > RowlandHi Rowland, ah, ok -thank your for your answer. There is a local user named "administrator" in /etc/passwd administrator:x:1039:100::/home/administrator:/bin/bash There was a username-mapping in /etc/samba/smbusers #!root = MYDOMAIN\Administrator MYDOMAIN\administrator Administrator administrator I have changed this two month ago, because that shoudn`t be needed.(?) Domain-Administrators UID in "aduc" is "10000" -is this korrekt? In my nt4-domain the domain-administrator was mapped to root and the rid "500" was assigned to root Maybe this is missing now? Do i have to assign this again? Thank you Markus
Rowland penny
2016-Feb-02 12:09 UTC
[Samba] samba_upgradedns returned an error "Unable to find uid/gid for Domain Admins "
On 02/02/16 11:26, Markus Dellermann wrote:> Am Dienstag, 2. Februar 2016, 09:51:03 CET schrieb Rowland penny: >> On 01/02/16 22:24, Markus Dellermann wrote: >>> Hi at all, >>> >>> i´am using samba 4.3.4 as "ad", "migrated by classicupgrade" some time ago >>> from an nt4-domain. >>> >>> By trying >>> samba_upgradedns --dns-backend=BIND9_DLZ >>> >>> i get the following error: >>> >>> Traceback (most recent call last): >>> File "/usr/sbin/samba_upgradedns", line 262, in <module> >>> >>> paths, lp.configfile, lp) >>> >>> File "/usr/lib64/python2.7/site-packages/samba/provision/__init__.py", >>> line >>> >>> 298, in find_provision_key_parameters >>> >>> raise ProvisioningError("Unable to find uid/gid for Domain Admins rid >>> (%s- >>> >>> %s" % (str(names.domainsid), security.DOMAIN_RID_ADMINISTRATOR)) >>> samba.provision.ProvisioningError: ProvisioningError: Unable to find >>> uid/gid for Domain Admins rid >>> (S-1-5-21-855155194-824588496-1214258294-500 >>> >>> "Domain Admins" seems to be in "ad" >> Domain Admins may be in AD but that is not what is being searched for, >> it is actually searching for Administrator, have you do anything to >> Administrator in AD or idmap.ldb ? >> >> Rowland > Hi Rowland, > ah, ok -thank your for your answer. > > There is a local user named "administrator" in /etc/passwd > administrator:x:1039:100::/home/administrator:/bin/bash > There was a username-mapping in /etc/samba/smbusers > #!root = MYDOMAIN\Administrator MYDOMAIN\administrator Administrator > administrator > I have changed this two month ago, because that shoudn`t be needed.(?) > Domain-Administrators UID in "aduc" is "10000" -is this korrekt? > > In my nt4-domain the domain-administrator was mapped to root and the rid "500" > was assigned to root > Maybe this is missing now? > Do i have to assign this again? > > Thank you > > Markus >Ok, there are two schools of thought here, you can give Administrator a uidNumber attribute, but this, as far as Unix is concerned, turns 'Administrator' into just another user, with no more privileges than any other Unix user. What I use on a domain member and recommend, is the use of the user mapping in smb.conf, with this 'Administrator' becomes 'root' and as such, has all the privileges of 'root'. However, you are trying to do something on a DC and you shouldn't use the name mapping, as this should be done for you in idmap.ldb. I suggest you remove any users that appear in /etc/passwd, such as administrator, that are also in AD, I would also remove the uidNumber attribute from 'Administrator' in AD. This should then reset 'Administrator' to '0' If I run 'getent passwd administrator' on a DC, I get: SAMDOM\administrator:*:0:10000::/home/administrator:/bin/bash but if run the same command on a domain member, I get nothing. Rowland
Markus Dellermann
2016-Feb-02 13:38 UTC
[Samba] samba_upgradedns returned an error "Unable to find uid/gid for Domain Admins "
Hi again, Am Dienstag, 2. Februar 2016, 12:09:59 CET schrieb Rowland penny:> On 02/02/16 11:26, Markus Dellermann wrote: > > Am Dienstag, 2. Februar 2016, 09:51:03 CET schrieb Rowland penny: > >> On 01/02/16 22:24, Markus Dellermann wrote:[....]> Ok, there are two schools of thought here, you can give Administrator a > uidNumber attribute, but this, as far as Unix is concerned, turns > 'Administrator' into just another user, with no more privileges than any > other Unix user. > > What I use on a domain member and recommend, is the use of the user > mapping in smb.conf, with this 'Administrator' becomes 'root' and as > such, has all the privileges of 'root'. >Yes, so it is here alright on my members..> However, you are trying to do something on a DC and you shouldn't use > the name mapping, as this should be done for you in idmap.ldb. I suggest > you remove any users that appear in /etc/passwd, such as administrator, > that are also in AD, I would also remove the uidNumber attribute from > 'Administrator' in AD.OK> > This should then reset 'Administrator' to '0' >I have insert 0 there now and it gave "its already assigned... I see now, there is the user "root" in ad with uid 0 I changed this, but maybe i should delete root from ad ? (I think, i should have changed this before classicupgrade)> If I run 'getent passwd administrator' on a DC, I get: > > SAMDOM\administrator:*:0:10000::/home/administrator:/bin/bash >No, nothing, hm.... master:~ # getent passwd administrator master:~ # getent passwd Administrator master:~ # pdbedit -Lv administrator Unix username: Administrator NT username: Account Flags: [U ] User SID: S-1-5-21-855155194-824588496-1214258294-500 Primary Group SID: S-1-5-21-855155194-824588496-1214258294-513 Full Name: Home Directory: \\samba\home\administrator HomeDir Drive: H: Logon Script: Profile Path: \\samba\profiles\administrator\.msprofile Domain: Account desc: Built-in account for administering the computer/domain Workstations: Munged dial: Logon time: Di, 02 Feb 2016 11:38:16 CET Logoff time: 0 Kickoff time: Do, 14 Sep 30828 04:48:05 CEST Password last set: Mi, 30 Sep 2015 19:23:24 CEST Password can change: Mi, 30 Sep 2015 19:23:24 CEST Password must change: never Last bad password : 0 Bad password count : 0 Logon hours : FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF master:~ # wbinfo -i administrator 4MA3MA\administrator:*:10000:10004::/home/4MA3MA/administrator:/bin/false "samba_upgradedns --dns-backend=BIND9_DLZ" still doesnt work> but if run the same command on a domain member, I get nothing. >Yes!> RowlandMarkus
Denis Cardon
2016-Feb-02 19:42 UTC
[Samba] samba_upgradedns returned an error "Unable to find uid/gid for Domain Admins "
Hi Rowland and al.> On 02/02/16 11:26, Markus Dellermann wrote: >> Am Dienstag, 2. Februar 2016, 09:51:03 CET schrieb Rowland penny: >>> On 01/02/16 22:24, Markus Dellermann wrote: >>>> Hi at all, >>>> >>>> i´am using samba 4.3.4 as "ad", "migrated by classicupgrade" some >>>> time ago >>>> from an nt4-domain. >>>> >>>> By trying >>>> samba_upgradedns --dns-backend=BIND9_DLZ >>>> >>>> i get the following error: >>>> >>>> Traceback (most recent call last): >>>> File "/usr/sbin/samba_upgradedns", line 262, in <module> >>>> paths, lp.configfile, lp) >>>> File >>>> "/usr/lib64/python2.7/site-packages/samba/provision/__init__.py", >>>> line >>>> >>>> 298, in find_provision_key_parameters >>>> >>>> raise ProvisioningError("Unable to find uid/gid for Domain >>>> Admins rid >>>> (%s- >>>> >>>> %s" % (str(names.domainsid), security.DOMAIN_RID_ADMINISTRATOR)) >>>> samba.provision.ProvisioningError: ProvisioningError: Unable to find >>>> uid/gid for Domain Admins rid >>>> (S-1-5-21-855155194-824588496-1214258294-500 >>>> >>>> "Domain Admins" seems to be in "ad" >>> Domain Admins may be in AD but that is not what is being searched for, >>> it is actually searching for Administrator, have you do anything to >>> Administrator in AD or idmap.ldb ? >>> >>> Rowland >> Hi Rowland, >> ah, ok -thank your for your answer. >> >> There is a local user named "administrator" in /etc/passwd >> administrator:x:1039:100::/home/administrator:/bin/bash >> There was a username-mapping in /etc/samba/smbusers >> #!root = MYDOMAIN\Administrator MYDOMAIN\administrator Administrator >> administrator >> I have changed this two month ago, because that shoudn`t be needed.(?) >> Domain-Administrators UID in "aduc" is "10000" -is this korrekt? >> >> In my nt4-domain the domain-administrator was mapped to root and the >> rid "500" >> was assigned to root >> Maybe this is missing now? >> Do i have to assign this again? >> >> Thank you >> >> Markus >> > > Ok, there are two schools of thought here, you can give Administrator a > uidNumber attribute, but this, as far as Unix is concerned, turns > 'Administrator' into just another user, with no more privileges than any > other Unix user. > > What I use on a domain member and recommend, is the use of the user > mapping in smb.conf, with this 'Administrator' becomes 'root' and as > such, has all the privileges of 'root'.To be picky on the terms, I'd say that the Windows equivalent of the root user would be "Local System". Administrator account is some kind of a super sudoers on modern version of Windows (cf. UAC and al.), and still there are many things that you cannot do unless going with "Local System". And concerning domain member user mapping, some security ayatollah might even say that you should not use "domain admins" accounts for anything else than AD maintenance, and urge you to use less privileged account with some extra local privileges to do domain members maintenance. Cheers, Denis> However, you are trying to do something on a DC and you shouldn't use > the name mapping, as this should be done for you in idmap.ldb. I suggest > you remove any users that appear in /etc/passwd, such as administrator, > that are also in AD, I would also remove the uidNumber attribute from > 'Administrator' in AD. > > This should then reset 'Administrator' to '0' > > If I run 'getent passwd administrator' on a DC, I get: > > SAMDOM\administrator:*:0:10000::/home/administrator:/bin/bash > > but if run the same command on a domain member, I get nothing. > > Rowland > >-- Denis Cardon Tranquil IT Systems Les Espaces Jules Verne, bâtiment A 12 avenue Jules Verne 44230 Saint Sébastien sur Loire tel : +33 (0) 2.40.97.57.55 http://www.tranquil-it-systems.fr
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