Are both GCs?

Regards,

Michael B. Smith
Consultant and Exchange MVP
http://TheEssentialExchange.com

From: Dave Vantine [mailto:[email protected]]
Sent: Wednesday, November 17, 2010 3:51 PM
To: NT System Admin Issues
Subject: Domain Logon issues when a DC is down

I have 2 DC's and on occasions when one goes off line for patching or some 
issue certain users are not able to logon to  the domain and the messages 
indicate that there is no DC available. What it appears is that certain client 
machines are communicating with DC1 while other connect with DC2. I can 
actually reproduce this by running SET on a client machine to see which 
LOGONSERVER the machine is using then log out of the domain. If I shutdown that 
particular DC and then try to logon I will get the message that no logon 
servers available.

I have run dcdiag and netdiag and there are no problems shown. I thought that 
the clients were suppose to be able to find all of the DC's available for logon 
purposes via the DNS srv records. As far as I know this has worked this way 
from the very begining of our Domain setup. I am having some issues with one of 
the DC's of late and may need to replace it so I would like to get this 
resolved.

--
Thanks
Dave Vantine

~ Finally, powerful endpoint security that ISN'T a resource hog! ~
~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/>  ~

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