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Server 2008 AD Errors showing after running DCPROMO

Posted on 2010-08-17
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Last Modified: 2012-06-27
I have Event ID's 1925 and 1645 showing in my error logs on a new 2008 server that I have just promoted on a 2003 network ready to demote old domain controllers.

Event 1925: The attempt to establish a replication link for the following writable directory failed.

The target account name is incorrect.

Event 1645: ADDS did not perform an authenticated RPC to another directory server because the SPN for the destination directory is not registered on the KDC domain controller than resolves the SPN.

Any advice would be appreciate as Ive spent several hours researching this issue with no luck... I suspect the issues are down to one DC and I'd demote it except I get 'target account name is incorrect' ...

I've spent most of the day checking / tidying up DNS which now seems to be fine.
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Question by:Mr_OCD
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Mr_OCD earned 0 total points
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I've run dcdiag /fix on all DC's and ensured DNS is working ok.

Still getting some strange errors so decided to try demoting the DC again and it has worked this time... So I'm going to leave this as a member server for now.
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by:zsaurabh
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Did you confirm that it got promoted properly and Sysvol was shared?
Sometime it takes more than one hour to establish replication links, you can check sites and Services to see the link created or not
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by:Darius Ghassem
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Run dcdiag then post results.

If you want to remove the DC you can run dcpromo /forceremoval then run metadata cleanup on a existing DC to remove metadata from the failed DC,.
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by:Mr_OCD
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DCDIAG passes all tests now with the exception of: SystemLog

... could not be retrieved, error 0x3afc
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by:Darius Ghassem
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That is most likely an old event
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by:Mr_OCD
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Ok thanks.
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by:Darius Ghassem
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What did you do to fix the issue?
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