Join a domain as a DC - replicating problems

Gémes Géza geza at
Thu Nov 1 16:22:14 MDT 2012

2012-11-01 14:32 keltezéssel, Marc Muehlfeld írta:
> Am 01.11.2012 14:21, schrieb Gémes Géza:
>> I had similar problems which where fixed following:
>> It turned out to be dns problem after all. I suggest to check the dns 
>> records
>> under _msdsc.YOUR.DOMAIN.NAME
> If I browse then DNS with the MS tools, I can't find nowhere in the 
> tree any entries with the name/IP of the new server after joining.
> Does any records have to be added automatically in the DNS when 
> joining a samba4 DC? Or do I have to create everything by hand? (which 
> ones are required)?
> Regards,
> Marc
In my test (two RC3 and one RC4 (the one causing DRS problems)) adding 
two dns records:

1. An A record for the failing (to replicate) DC in the DOMAIN.NAME zone
2. A CNAME record for the GUID (obtained with: ldbsearch -H 
/usr/local/samba/private/sam.ldb '(invocationid=*)' --cross-ncs 
objectguid) of failing (to replicate) DC in the _msdcs.DOMAIN.NAME zone 
which pointed at the previously created record.

Solved the DRS replication problems almost instantaneously.


Geza Gemes

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