Need urgent help with samba4 DC re-join

[Andrew Bartlett]

On Wed, 2012-06-27 at 20:21 +1000, Andrew Bartlett wrote:
> On Wed, 2012-06-27 at 08:21 +0200, Andreas Oster wrote:
> > Hello all,
> > 
> > today I have tried to fix replication of ForestDnsZones and
> > DomainDnsZones. I pulled the current sources from GIT and recompiled
> > samba4. After installation I demoted the second DC, which completed
> > without any errors. Afterwards I have tried to re-join the server but
> > this is constantly failing. I have attached the d3 output of the join
> > attempt.
> > 
> > In the PDC log.samba the following error comes up when joining of the
> > second DC failes:
> > 
> > [2012/06/27 08:13:30,  0] ../source4/dsdb/common/util.c:2689(dsdb_savereps)
> >   Failed to store repsTo - objectclass_attrs: attribute 'dc' on entry
> > 'DC=DomainDnsZones,DC=novanetwork,DC=loc' does not exist in the
> > specified objectclasses!
> > [2012/06/27 08:13:30,  0]
> > ../source4/rpc_server/drsuapi/updaterefs.c:154(drsuapi_UpdateRefs)
> >   Failed to delete repsTo for d54eb180-fd57-4629-8f8f-bb48373a8daa:
> > WERR_DS_DRA_INTERNAL_ERROR
> > 
> > 
> > Stupid as I am, I did this on the productive system :-(
> 
> Can you show us the full ldif for that DN on your PDC?
> 
> ldbsearch -H sam.ldb -s base -b DC=DomainDnsZones,DC=novanetwork,DC=loc
> * objectClass repsFrom repsTo

Also, if you can back up your PDC, then run:

samba-tool dbcheck --cross-ncs -H sam.ldb --fix

That may address the issue.

Andrew Bartlett

-- 
Andrew Bartlett                                http://samba.org/~abartlet/
Authentication Developer, Samba Team           http://samba.org