Rollback to NT4 domain from 2000 mixed mode

Discussion in 'Windows Server' started by Todd B, Dec 3, 2004.

  1. Todd B

    Todd B Guest

    Have corrupt 2000 AD no backups mixed mode with NT4 bdc's. Have 2K & XP
    AD still online can possibly push some policy to turn off Kerberos
    Anyone have a way to rollback to NT4 without having to re-add these clients
    to the domain.



    Todd Bergman
    System Engineer ISG
    Todd B, Dec 3, 2004
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  2. Todd B

    Todd B Guest

    I tested the process on virtual pc. The clients will not authenticate to NT
    after they have been introduced to AD. In fact one process that did work
    for 2000 clients was:
    remove 2000 ad from net
    promote one of the nt bdc's to pdc
    upgrade that pdc to 2000 ad
    all DNS and WINS properly configured
    2000 machines seemed to work XP machines needed to rejoin domain

    I guess my question to everyone is after a rollback to NT4 PDC. 2K&XP
    clients will not authenticate to NT domain controllers. If I promote the
    rollback server to 2000 I do not believe there is anyway to get around
    rejoining the clients to the domain. The only way to have these clients
    authenticate to NT4 bdc's when the domain is upgraded is Q298713 "How to
    prevent overloading on the first domain controller during domain upgrade"
    however this MS trick does not apply.
    Todd B, Dec 4, 2004
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