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Can't join Windows 2003 SR2 edition to existing Windows 2003 Standard Domain - Error "forrest not compatible"

Posted on 2006-11-02
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Last Modified: 2010-05-18
Hi,

I'm having trouble joining a Windows Server SR2 edition to our existing Windows 2003 Standard edition domain. I didn't think there was any difference between the two for Active directory but there appears to be an issue. I had this problem previously when I was testing a new domain controller with SR2 and couldn't join it to the domain. I then rebuilt it with Windows standard edition and it joined without a problem so I'm figuring it's something todo with SR2. I'm getting the following error message

"The version of the Active Directory schema of the source forest is not compatible with the version of Active directory on this computer"

I would expect to get this error when trying to join a 2003 server to a 200 domain.

Has anyone got any Suggestions?

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Question by:gemini99
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Expert Comment

by:redseatechnologies
ID: 17864274
Hi gemini99,

You need to run adprep from the second CD (the R2 cd)

Cmpnents\R2\Adprep

Hope that helps,

-red
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Author Comment

by:gemini99
ID: 17864389
Do I run this on the existing domain controller with standard edition installed or the server i want to add to the domain with SR2?

If I run it on the existing 2003 controller do I need to update the other domain controllers?

Will this effect any domain trusts we have?

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LVL 39

Expert Comment

by:redseatechnologies
ID: 17864394
You need to run this on any domain controller, with THE administrator account.

No, it will not affect any existing trusts
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Author Comment

by:gemini99
ID: 17864426
Cool, so I run it on any existing domain controller?
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Accepted Solution

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redseatechnologies earned 375 total points
ID: 17864440
Correct, and only once :)
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Author Comment

by:gemini99
ID: 17864451
Thanks very much for your help it was most appreciated. I was looking around on Microsofts website and found nothing howver I've just found it in google groups. thanks once again and have a good one.

Cheers
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