Replacing and Upgrading a Win2k DC to Win2k3

Discussion in 'Active Directory' started by Ian Campbell, Jul 19, 2005.

  1. Ian Campbell

    Ian Campbell Guest

    Hi There,

    Our environment has 4 Win2K Domain Controllers, and I would like to upgrade
    them to Win2K3, but I would like to use fresh hardware to do so rather than
    upgrading on the old hardware. There is only one domain.

    Ideally, I would like the new servers running Win2k3 to have the same names
    and IP addresses as the old ones, and I've been searching for a way to do

    My thought was to simply demote a Win2K DC to a member server after
    transferring any FSMO roles, then rename and re-IP it. After that, I could
    install Win2K3 on my new hardware, give it the same name and IP as the old
    Win2K DC, and use dcpromo to promote it.

    This would be after running forest prep and domain prep of course.

    Would that work? Anybody got any other ideas or suggestions? TIA,

    Ian Campbell, Jul 19, 2005
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  2. Two choices as I see it.

    (after doing the prep)

    Demote one of the existing DCs and decommission. Build a new one, name it
    the same, and then promote. Once this is up and running, do the same again
    on the other two.


    Build the three new DCs, decommission the old ones, switch the mode to 2003
    functional and rename the boxes.

    This article may help with some additional detail on the transfer process:
    Paul Williams [MVP], Jul 19, 2005
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  3. Ian Campbell

    Ian Campbell Guest

    Hi Paul,

    Sounds like my original plan is a goer then. Thanks very much for the help!

    Ian Campbell, Jul 19, 2005
  4. No problem.

    All the best!
    Paul Williams [MVP], Jul 19, 2005
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