Coexistence - regular 2003 DCs and R2 Dcs

Discussion in 'Active Directory' started by SorinD, Jul 13, 2006.

  1. SorinD

    SorinD Guest


    Can Windows 2003 SP1 DCs coexist with Win 2003 R2 DCs on the same network?

    We have now windows 2003 SP1 DCs throughout our organization (local and
    remote). I am planning the upgrade to R2 so I can use the DFS improvements.
    I am planning to upgrade only couple of DCs first for testing purposes - I
    don't know if the new R2 DCs will sync OK with the old Win2003 SP1 DCs.

    Now, here is another question:

    Does the upgrade to R2 change the forest schema?
    If that's the case, I guess all the DCs have to be upgraded to R2, isn't it?

    SorinD, Jul 13, 2006
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    Marrco Brunelli, Jul 13, 2006
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  3. Marrco Brunelli, Jul 13, 2006
  4. yes they can co-exist
    yes the schema needs to be upgraded, but only when using certain R2
    functionalities like UnixIDm, DFS-R, distributing printer connections with

    you only need to load the R2 binaries on the server where the
    functionalities will be used. there is no need to load R2 onto the DCs if
    you will not use any of the new R2 functionalities on the DCs



    # Jorge de Almeida Pinto # MVP Windows Server - Directory Services

    Jorge de Almeida Pinto [MVP], Jul 16, 2006
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