Domain Controller does not recognize the domain, on computer object can be found.

Posted on 2009-12-29
Last Modified: 2012-05-08
I have opgraded my domain from 2008 to 2008R2 DCs. My other 2008 DCs decommissioned easily. This last one says it cannot find the domain or cannot find its computer object in the DC,

The computer object does exist and it recognizes that the new DC is the master.

Any ideas on how to decommission this DC?
Question by:jimmylew52
    LVL 57

    Accepted Solution

    So this 2008 box is not demoting gracefully using dcpromo.
    If it was a 2003 box you would have to go through the metadata cleanup process using ntdsutil.
    In a 2008 domain like you have you can delete the object in AD and the metadata cleanup will happen behind the scenes.  Oz has a good blog entry explaining the old way and the new method for 2008
    or the Microsoft article here:

    Expert Comment

    I had this problem and I tried to remove it gracefully but it failed. I used Dcpromo /forceremoval and this worked great! However, I used it because Dcpromo kept failing to remove the DC. I then removed and readded it as a member server.
    LVL 24

    Expert Comment

    Yes, you can use dcpromo /forcereoval & can do metadata cleanup using ntdsutil tool.

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