[Samba] The group name could not be found

[Rowland Penny]

On Sat, 18 Nov 2017 19:24:27 +0200
Ian Coetzee via samba <samba at lists.samba.org> wrote:

> On 18 November 2017 at 19:08, Ian Coetzee <samba at iancoetzee.za.net>
> wrote:
> 
> > Hey guys,
> >
> > It's me again.
> >
> > Today I moved our NAS from our old 2000 domain to a new domain
> > presided over by two Samba 4.7.2 domain controllers.
> >
> > After the move I cant access the NAS at all from my Windows 7 test
> > pc. I keep getting an error that "The group name could not be found"
> >
> > I am at the end of my troubleshooting skills.
> >
> > I also moved the NAS' samba from sernet-samba 4.1 to the CentOS 6.9
> > packaged version 4.2.10.
> >
> > I also cleaned out the /var/lib/samba/* and rejoined the NAS the new
> > domain, still to no avail.
> >
> > The only thing I could pick out from the logs:
> > [2017/11/18 19:02:01.550190,  1, pid=7693, effective(0, 0), real(0,
> > 0)] ../librpc/ndr/ndr.c:439(ndr_print_function_debug)
> >        wbint_LookupName: struct wbint_LookupName
> >           out: struct wbint_LookupName
> >               type                     : *
> >                   type                     : SID_NAME_USE_NONE (0)
> >               sid                      : *
> >                   sid                      : S-0-0
> >               result                   : NT_STATUS_NONE_MAPPED
> >
> > However from one of the dc's:
> > $ wbinfo -s S-0-0
> > failed to call wbcStringToSid: WBC_ERR_INVALID_SID
> > Could not lookup sid S-0-0
> >
> > $ wbinfo -n ianc
> > S-1-5-21-2093009959-3443338361-3281248646-1407 SID_USER (1)
> >
> > $ wbinfo
> > --user-domgroups=S-1-5-21-2093009959-3443338361-3281248646-1407
> > S-1-5-21-2093009959-3443338361-3281248646-1407
> > S-1-5-21-2093009959-3443338361-3281248646-513
> > S-1-5-21-2093009959-3443338361-3281248646-512
> > S-1-5-21-2093009959-3443338361-3281248646-572
> > S-1-5-21-2093009959-3443338361-3281248646-2189
> > S-1-5-21-2093009959-3443338361-3281248646-2208
> >
> > Anybody got another idea I could try, or somewhere I am overlooking?
> >
> > Kind regards
> >
> 
> 
> Hey guys,
> 
> Some more information, from dc1:
> $ smbclient //nas/IPC$
> Enter SAMDOM\ianc's password:
> Try "help" to get a list of possible commands.
> smb: \> exit
> 
> $ smbclient //nas/IT
> Enter SAMDOM\ianc's password:
> tree connect failed: NT_STATUS_NO_SUCH_GROUP
> 
> I guess that means the problem is with my smb.conf.
> 

Possibly, but as you haven't actually posted the smb.conf, nobody can
tell.

Rowland