Upgrading from server 2000 to server 2008R2?

Discussion in 'Windows Server' started by Jazsnap, May 28, 2010.

  1. Jazsnap

    Jazsnap Guest

    We would like to upgrade our servers to Windows server 2008 R2. Currently
    we have two Windows 2000 (SP 4) domain controllers, we want to replace the
    Forest Root Domain box with new hardware & upgrade the other DC to server
    2008 R2.

    I understand it's not possible to upgrade from 2000 straight to 2008 but is
    server 2003 still available to ugrade to in between? I'm also not sure of
    what the implications of retiring the Forest Root Domain box would be?

    Would the best plan be to add the new 2008 server (domain function & forest
    function level: 2000); upgrade the second box to Server 2008 R2 (via server
    2003?); transfer the roles from the FRD box to the others; demote the FRD
    to a member server then finally raise the forest & functional levels of the
    2 remaining DCs?

    Any advice would be greatly received?

    Jazsnap, May 28, 2010
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  2. Hi,
    The route you propose seems the proper way but I would make the new Win2k8 server a DC and maybe
    transfer the FSMO roles before upgrading the second box. If during the upgrade something is not
    ready for a Win2k8 DC it's a bit late finding out. This way you will have a wording Win2k8 DC before
    upgrading an older DC to Win2k8.

    Make sure you prepare the AD using the adprep tool.

    Bonno Bloksma
    Bonno Bloksma, May 28, 2010
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  3. Meinolf Weber [MVP-DS], May 28, 2010
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