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Changing NT PDC in a 2000 AD Mixed Mode configuration

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  • Changing NT PDC in a 2000 AD Mixed Mode configuration

    Ok, Here's my story.

    I had a NT PDC and two BDC's. All on old hardware. I have Virtual PC running on an XP box, and found it convenient to install a fresh BDC there, promote it to PDC, and then upgraded it to 2000 server AD mixed mode. All is well so far. Except my new PDC / AD is a virtual server... So I have a new box, installed 2000 server on it, promoted it to also be a 2000 DC. Terrific, now I want to shut off forever the virtual 2000 server. But I just realized that while 2000 DC's share the work, so removing one should not be a bid deal, that one is still acting as the NT PDC!

    If I use DCPromo to demote the virtual 2000 server (acting NT PDC), will the second 2000 DC automatically get promoted to NT PDC? Can I manually make that change using server manager on an NT box? The option doesn't appear to be valid when running srvmgr from the 2000 machine...

    Any advice would be greatly appreciated!

  • #2
    Re: Changing NT PDC in a 2000 AD Mixed Mode configuration

    Please review:

    http://support.microsoft.com/kb/555549

    Regards,

    Yuval
    Best Regards,

    Yuval Sinay

    LinkedIn: https://www.linkedin.com/in/yuval14, Blog: http://blogs.microsoft.co.il/blogs/yuval14

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    • #3
      Re: Changing NT PDC in a 2000 AD Mixed Mode configuration

      I'm not sure about the relevancy of that KB of Yuval, but as I understand it you want to remove the virtual DC and have the physical DC take over all relevant roles.

      The short answer is: yes, that will work, although you should read up a bit about Active Directory and Operations Masters.

      Remember to:
      1. make the physical DC also a Global Catalog
      2. install DNS on that DC
      3. make sure all domain members use the new DC for DNS.
      4... demote the virtual DC. That will automatically transfer the PDC rol to the new DC.

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      • #4
        Re: Changing NT PDC in a 2000 AD Mixed Mode configuration

        Thanks,
        I just need to read up on changing the global catalog, I think I've got the rest covered. Thanks!

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