Clients and servers will always try to use a DC in their own site. The query 
for that will be:
_ldap._tcp.<SITE>._sites.dc._msdcs.<domain>.<tld>
 
In the case the DCs that registered that record (in the actual site or in 
another covering that site) are not available the client will query for a DC in 
the domain.The query for that will be: 
_ldap._tcp.dc._msdcs.<domain>.<tld>
 
Cheers,
Jorge

________________________________

From: [EMAIL PROTECTED] on behalf of Figueroa, Johnny
Sent: Thu 2006-01-26 20:32
To: [email protected]
Subject: [ActiveDir] DC II




We are in the process of coming up with a 2nd Data Center for DR. I am
working on the AD part of it and I am trying to find out what the
process is for finding a DC in DC II of DC I is down.

I looked at some of the Domain Locator articles and it talks about how a
client finds a DC and what happens if the DC that it contacts is not in
its site, etc, etc. What I don't see is what happens if the DC I site is
down?... How could it find DC II, is that all part of the site cost?. It
has been a while and I am confused, is Site Costs used to find DCs or
just for replication?

Any articles or explanations are appreciated.

Thanks

Johnny Figueroa
Enterprise Network Consultant/Integrator
Network Services Banner Health Voice (602)
495-4195 Fax (602) 495-4406

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