Active Directory Schema Prep Failure (Office Communications Server 2007 Trial)

Posted on 2007-10-20
Last Modified: 2013-11-29

I'm trying to install Microsoft Office Communications Server 2007 Standard Edition on a Windows Server 2003 SP2 machine and the very first step, Active Directory Schema Prep, is failing. I get the error "ERROR (0x8007200E): The directory service is busy."

I'm pretty sure I have all the permissions needed to update the schema. The domain controller has Exchange 2007 running on it. Also there is another domain controller which was never turned on and I read somewhere in Google Groups that this may cause a problem so I turned it on and still am getting the same error.

I have tried both the setup.exe deployment wizard (for Office Communications Server 2007 Standard Edition) and command prompt (lcscmd.exe) and both produce the same error message. Have tried running the schema prep on the domain controller as well (rather than the other Windows Server 2003 SP2 machine), same error message. The domain controller is also a Windows Server 2003 SP2 machine, but x64 edition.

Any help would be muchly appreciated.
Question by:zippy_paul
    LVL 38

    Expert Comment

    What computer holds the schema role?

    DCdiag should tell you of the role holder for active directory schema.
    LVL 1

    Author Comment


    The schema role is owned by the domain controller I mentioned with Exchange 2007 installed on it. I tried to run the schema prep on this domain controller, as mentioned in the initial post, but no luck. Same error.

    Hope that gives a bit more insight.
    LVL 38

    Expert Comment

    Have you looked at the following articles?

    Let me know if this helps.

    There are other things that can block registry editting. AV programs and the Remote registry service applet could block registry edits.
    LVL 1

    Accepted Solution


    I was talking about the secondary domain controller registered in AD. I decommissioned that one and re-tried the Schema Prep and had success!

    Thanks for your help.
    LVL 38

    Expert Comment

    Oh great:

    Moderator, please refund points.

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