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Exchange 2010 remove from domain and rejoin

Posted on 2011-09-07
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Last Modified: 2012-06-22
We have an issue with a Windows 2008 R2 box which has Exchange 2010 SP1. BES is also connected to the Exchange server. Microsoft has made a recommendation that we need to disconnect the Exchange server from the domain and reconnect it afterwards. We are using vSphere/ESX 4, so I can create snapshots of our DC's, Exchange and BES server beforehand and revert back if needed. Do you see any problems with disconnecting from the domain and rejoining? Thank you.
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Question by:CMilne
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Supportonthespot earned 125 total points
ID: 36495251
Ive done this within my own environment to recreate a trust.

Exchange refers to the domain so as long as you reconnect it to the same domain you should have no issues with this
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by:Busbar
Busbar earned 125 total points
ID: 36495252
no have seen that recommendation before, works and never seen it fails
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by:CMilne
ID: 36512627
I was able to disconnect from the domain and reconnect. There were 2 problems that needed to be fixed first. After rejoining I needed to make the server a member of the following Groups in AD:
Domain Computers
Exchange Enterprise Servers
Exchange Install Domain Servers
Exchange Servers
Exchange Trusted Subsystem

I then needed to delete the user profile on the Exchange server that it was using before the disconnect. Then I logged back in using the same credentials to recreate the profile.
Everything was fine after that.
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