server 2008 domain controllers

Posted on 2012-08-29
Last Modified: 2012-08-29
I have a 2008 r2 32bit pdc,  trying to add a bdc but it is a 2008 r2 64bit,   ran 32bit adprep /forestprep on the pdc, when i dcpromo the new box i still get the run adprep on the forest. i have heard their is a hot fix for this issue??? so my issue is placing a 64bit bdc in to my 32bit domain. Thank you
Question by:dpawletzki
    LVL 13

    Expert Comment

    Yes, you need to run ADPrep.  This is because R2 has additional functionality (like AD recycle bin).  It has nothing to do with you running a 32 bit version, but rather the additional features available in R2.  Follow the wizard on the R2 box and you should update your schema accordingly.
    LVL 10

    Assisted Solution

    You are missing one step. You have to run /domainPrep too.

    Before you add the Windows Server 2008 R2 box as a Domain Controller to the existing domain, be sure to prepare the Active Directory for Windows Server 2008 R2 Servers using adprep32.exe on the existing Domain Controllers. The table below shows the Domain Controllers on which to perform the adprep commands::

    Command       Domain Controller
    adprep32.exe /forestprep       Schema Master
    adprep32.exe /domainprep       Infrastructure Master
    LVL 53

    Accepted Solution

    You will also want to add adprep32.exe /domainprep /gpprep (as well for group policy).

    If you also plan on having Read-Only DC's in your environment you can run the adprep32.exe /rodcprep (this can be run from any DC in your environment), You first however need to run adprep32 /forestprep first.

    Hope this helps!

    Author Closing Comment

    Thanks,  i know i needed to run adprep,,  the other thoughts finished the job. Thanks folks and have a great day

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