secondary domain controller not working right

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.
cchibongaAsked:
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sumeshbnrCommented:
is replication correct?
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PriceDCommented:
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.
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cchibongaAuthor Commented:
PriceD
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?
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PriceDCommented:
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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Windows Server 2003

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