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Add a new Domain in the same forest - Microsoft Live Communications Server 2007

Posted on 2009-02-10
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Last Modified: 2013-11-29
I have configured and successfully running a LCS2007 environment in a single domain.  We recently added a new domain to the forest.  The AD schema appears to be there for the new domain.  There is a live communications tab in Active Directory and i am able to enable SIP for the users in the domain.  These users show up in the LCS console.  However when I attempt to log in as the user on the new domain I get an error that the account is not found.

I decided to run a validation on the setup with the user account in question.  I receive the following error

User **user in new domain**  Domain **First Domain in Forest** Protocol Kerberos Server sip Targer Invalidated.  

Basically it appears my setup is only configured to look for the user in the original domain.  Does anyone know how I can add or prep the new domain in the same forest to work?  

Regards
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Question by:dance1bb
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by:HayesJupe
ID: 23605024
are you planning on putting an ocs 2007 server in the new domain or will users from the new domain use the ocs server in the existing domain ?
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by:dance1bb
ID: 23605220
I would prefer to use the existing ocs 2007 server and have the new domain use it.  
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HayesJupe earned 2000 total points
ID: 23610419
ok, so you need to prep your child domain if you havent done so.
Simply run the OCS setup in your child domain and choose prep domain.
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