Trouble joining a R2 server to a existing 2003 domain

Discussion in 'Active Directory' started by Stefan, Apr 10, 2007.

  1. Stefan

    Stefan Guest


    we are experiencing trouble joining a new Win2003 R2 server to a existing
    Windows 2003 domain (not R2). We are getting the following error message
    when using "dcpromo.exe":
    "The version of the Active Directory Schema of the source forest is not
    compatible with the version of the Active Directory on this computer."

    We ran "adprep" on the existing (P)DC which also holds the GC without any
    change. Adprep reported that the forest and the domain is already updated.
    What are we missing?

    Thanks for looking,

    Stefan, Apr 10, 2007
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  2. Hello,
    You run adprep from what source? You should run adprep from R2 CD...
    Nick Domukhovsky, Apr 10, 2007
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  3. Stefan

    Stefan Guest


    thanks for responding. We did run it form the R2 install CD-ROM.

    Stefan, Apr 10, 2007
  4. Stefan

    Jorge Silva Guest

    Hi Stefan
    Please run adprep from CD2

    I hope that the information above helps you.
    Have a Nice day.

    Jorge Silva
    MCSE, MVP Directory Services


    Jorge Silva, Apr 10, 2007
  5. Stefan

    Stefan Guest

    Thanks for waking me up. You guys caught me asleep behind the wheel again. I
    keep forgetting that the first CD is a regular win2003 disc.

    For future reference, the path is " :\cmpnents\r2\adprep\adprep.exe"
    Thanks guys,


    Stefan, Apr 11, 2007
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