Replication Issues

  • Thread starter Thread starter Tim Wells
  • Start date Start date
T

Tim Wells

Hello, I have a 5 server domain in a single forest. I
have just recently noticed, although it has been going on
for some time, that when I try to force replication on the
servers I get a failure on 3 of the 5. I have DNS set up
on only the first DC in this forest. All IP addresses are
static. When running NETDIAG I get a warning error: Failed
to query SPN Registration on [servername].
I also receive a FATAL on the DNS test: The DNS
registration for [servername], is incorrect on all DNS
servers.
When I go into AD Sites and Services, then NTDS of the
servers the 3 servers that are not replicating correctly
do not show all the other servers. One even shows a
server twice.

Should each server have DNS installed and configured on it?
Are there specific services that should be started that I
may not have starting?
Any information would be appreciated.
Thanks,
Tim
 
Maybe a couple of things going on here, but with regards to the dns, I will
often times concentrate dns on a single server if they have multiple just to
simplify things for troubleshooting and make it easier to work with, so that
should not be a problem. However, verify that they are registering properly
and that you are able to ping your dns domain name from all and get a reply.
On those problem ones, run nltest to see if they are able to resolve the
ldap records of the others with;
nltest <enter> (don't care about anything outputed here since you probably
don't have reverse zones)
at > prompt: set q=srv <enter>
at > prompt: _ldap._tcp.<your full dns domain name - xyz.com etc> <enter>
You should see about 5 lines for each dc it can resolve ldap records for and
if you don't then there are dns registration problems.
Work on dns until it is ok before you try to resolve anything else, as if
it's not working properly then you're going to have problems getting other
things to work as well.

verify that the dc's are pointed to Only that one dc for dns and not also
any alternates like an ISP etc. If so then remove the address and run
"ipconfig /flushdns" then "ipconfig /registerdns".
--
David Brandt
Microsoft Corporation

This posting is provided "AS IS" with no warranties, and confers no rights.
Please do not send e-mail directly to this alias. This alias is for
newsgroup purposes only.
 
Back
Top