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Disjoin DC and rejoin

Posted on 2014-01-21
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Last Modified: 2014-02-05
I have a VM host that crashed, one of the guests ran AD/DS. I have a standalone AD/DS box also. I did the failover of the guest with AD/DS on another host VM server and the replica boots fine but permissions don't allow users to access network printers or WSUS (also on that VM). Can I disjoin the replica and rejoin to see if that fixes permissions or should I try something else first. If I disjoin do I need to do dcpromo and demote the AD server?
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Question by:LarryDAH
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KCTS earned 500 total points
ID: 39798664
You can't remove a DC from the domain  and add it back again without removing AD.
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Do you have a single Domain Controller or two Domain Controller?

and if you have two, is it just this once that has gone wrong?
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Expert Comment

by:Will Szymkowski
ID: 39800195
You cannot Dis-join a DC from the domain. You may want to start with checking AD health between your 2 DC's... Use the below commands to check AD health/replication...

- repadmin /replsum
- repadmin /showrepl
- dcdiag /v

You may also want to check the event viewer on the DC that failed and this will point out errors which might lead you to solving your issue.

Will.
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