[Samba] smbclient ends in NT_STATUS_CONNECTION_REFUSED error

L.P.H. van Belle
2017-06-14T09:14:29Z

Hai,

Base on :
>I have applied the changes as suggested.
>After restarting the server, smbclient-command worked! But after I restarted
the Samba Client with
> ?/etc/init.d/samba restart? I was once again confronted with the same
problem!
>Again, only another server restart did the trick.

Can you retry the restart samba with systemd and see if thats working better.

Type :
systemctl restart smbd
systemctl restart nmbd
systemctl restart winbind


Greetz,

Louis




> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens
> basti.mueller31--- via samba
> Verzonden: dinsdag 13 juni 2017 20:42
> Aan: samba at lists.samba.org
> Onderwerp: [Samba] smbclient ends in
> NT_STATUS_CONNECTION_REFUSED error
>
> I have applied the changes as suggested. After restarting the
> server, smbclient-command worked! But after I restarted the
> Samba Client with ?/etc/init.d/samba restart? I was once
> again confronted with the same problem! Again, only another
> server restart did the trick. Now I am facing this problem
> constantly. As soon as I restart, this command among others
> won?t work without displaying an error message.
> For testing purposes, I have started a new upgrade after
> uninstalling the bind, using ?SAMBA_INTERNAL? for the Classic Upgrade.
>
> The Smb.conf now looks like this:
> root at hsad-srv-03:~# cat /etc/samba/smb.conf # Global
> parameters [global]
>                 workgroup = EXAMPLE
>                 realm = example.com
>                 netbios name = PDC
>                 server role = active directory domain controller
>                 idmap_ldb:use rfc2307 = yes
>                 dns forwarder = 8.8.8.8
> [netlogon]
>                 path = /var/lib/samba/sysvol/example.com/scripts
>                 read only = No
>
> [sysvol]
>                 path = /var/lib/samba/sysvol
>                 read only = No
> root at hsad-srv-03:~#
>
> After restarting the server, same problem? root at server:~#
> smbclient -L localhost -U% Domain=[EXAMPLE] OS=[Windows 6.1]
> Server=[Samba 4.2.14-Debian]
>
>                 Sharename       Type      Comment
>                 ---------       ----      -------
>                 netlogon        Disk
>                 sysvol          Disk
>                 IPC$            IPC       IPC Service (Samba
> 4.2.14-Debian) Domain=[EXAMPLE] OS=[Windows 6.1]
> Server=[Samba 4.2.14-Debian]
>
>                 Server               Comment
>                 ---------            -------
>                 PDC                  PDC (server)
>
>                 Workgroup            Master
>                 ---------            -------
>                 EXAMPLE            PDC
>                 WORKGROUP            HSEW-FRH
>
>
> root at server:~# samba-tool gpo list Administrator GPOs for
> user Administrator
>     Default Domain Policy {31B2F340-016D-11D2-945F-00C04FB984F9}
>
> As soon as I restart the Samba-Client:
>
>
> root at server:~# samba-tool gpo list Administrator
> ERROR(runtime): uncaught exception - ('Could not find a DC
> for domain', RuntimeError('NT_STATUS_OBJECT_NAME_NOT_FOUND',))
>   File
> "/usr/lib/python2.7/dist-packages/samba/netcmd/__init__.py",
> line 175, in _run
>     return self.run(*args, **kwargs)
>   File
> "/usr/lib/python2.7/dist-packages/samba/netcmd/gpo.py", line
> 349, in run
>     self.url = dc_url(self.lp, self.creds, H)
>   File
> "/usr/lib/python2.7/dist-packages/samba/netcmd/gpo.py", line
> 117, in dc_url
>     raise RuntimeError("Could not find a DC for domain", e)
>
> root at server:~# smbclient -d10 -L localhost -U%
> INFO: Current debug levels:
>   all: 10
>   tdb: 10
>   printdrivers: 10
>   lanman: 10
>   smb: 10
>   rpc_parse: 10
>   rpc_srv: 10
>   rpc_cli: 10
>   passdb: 10
>   sam: 10
>   auth: 10
>   winbind: 10
>   vfs: 10
>   idmap: 10
>   quota: 10
>   acls: 10
>   locking: 10
>   msdfs: 10
>   dmapi: 10
>   registry: 10
>   scavenger: 10
>   dns: 10
>   ldb: 10
> lp_load_ex: refreshing parameters
> Initialising global parameters
> INFO: Current debug levels:
>   all: 10
>   tdb: 10
>   printdrivers: 10
>   lanman: 10
>   smb: 10
>   rpc_parse: 10
>   rpc_srv: 10
>   rpc_cli: 10
>   passdb: 10
>   sam: 10
>   auth: 10
>   winbind: 10
>   vfs: 10
>   idmap: 10
>   quota: 10
>   acls: 10
>   locking: 10
>   msdfs: 10
>   dmapi: 10
>   registry: 10
>   scavenger: 10
>   dns: 10
>   ldb: 10
> Processing section "[global]"
> doing parameter workgroup = EXAMPLE
> doing parameter realm = example.com
> doing parameter netbios name = PDC
> doing parameter server role = active directory domain
> controller doing parameter idmap_ldb:use rfc2307 = yes doing
> parameter dns forwarder = 192.168.15.1
> pm_process() returned Yes
> lp_servicenumber: couldn't find homes
> added interface br0 ip=192.168.15.2 bcast=192.168.15.255
> netmask=255.255.255.0 Netbios name list:-
my_netbios_names[0]="PDC"
> Client started (version 4.2.14-Debian).
> Opening cache file at /var/cache/samba/gencache.tdb Opening
> cache file at /var/run/samba/gencache_notrans.tdb
> sitename_fetch: No stored sitename for EXAMPLE.COM
> internal_resolve_name: looking up localhost#20 (sitename
> (null)) name localhost#20 found.
> remove_duplicate_addrs2: looking for duplicate address/port
> pairs Connecting to 127.0.0.1 at port 445 Connecting to
> 127.0.0.1 at port 139 Connection to localhost failed (Error
> NT_STATUS_CONNECTION_REFUSED)
>
> Which information/contents could help? I am clueless!
>
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