secondary domain controller not working right

Posted on 2010-03-23
Medium Priority
Last Modified: 2012-05-09
I have 2 domain controllers in my network one is the primary the other one is the secondary. the primary DC went down and we started having problems with exchange mounting 2 of the 4 stores that were down. The other 2 mounted fine.
What is weird is after the primary DC was rebooted all the stores mounted fine after. I have run netdiag and dc diag on both DCs and no errors. I am contemplating reinstalling the secondary DC and starting all over but before i do that i wanted to make sure that this is something wrong with secondary DC.

Any ideas?
i am running w2k3 standard edition, sp2.
Question by:cchibonga
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LVL 11

Expert Comment

ID: 28412569
is replication correct?
LVL 15

Accepted Solution

PriceD earned 2000 total points
ID: 28415218
is the secondary...basically the second DC setup as a global catalog server as well, and does it have DNS setup on it.  For a secondary DC to work properly you should have it setup as a global catalog and ensure DNS is setup on it as well and actually as a secondary to the other DC's DNS.

If you don't here is a link to have the secondary DNS http://support.microsoft.com/kb/816518.  And to ensure your other DC is a global cat http://support.microsoft.com/kb/313994.

Also, make sure you exchange server has both of the DNS's IP address.  Primary will be your "first" DC and the secondary will be the second "DC".

Hope this helps.

Author Comment

ID: 28446440
i followed your instructions and noticed that the secondary DNS had not been selected as a global catalog. I guess that is the problem?
What do you think? can we have more than one global catalog in network?
LVL 15

Expert Comment

ID: 29967443
Very important to have more then one global cataglog, if you don't you really don't have a true AD backup.

Hope this helped.

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