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DCPROMO error on Server 2003

Morning fellow experts.

I am currently running a SBS2003 SP1 server (not R2) and have a 2nd windows server 2003 R2, which i would like to promote as a GC, though get an error when running DCPROMO.

The error is "The version of the AD schema of the source forest is not compatible with the version of AD on this computer"

Thanks
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teknite
Asked:
teknite
3 Solutions
 
Toni UranjekConsultant/TrainerCommented:
Hi teknite,

Did you extned schema with adprep.exe from CD2 of your R2 server?
More info: http://technet2.microsoft.com/WindowsServer/en/Library/ed42abd5-24c7-4b5a-8165-dbd96727ec841033.mspx

HTH

Toni
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screem_brilleCommented:
only R2 edition can have more than one DC, you need to upgrade your SBS to R2 before you can run dcpromo on the other server, otherwise it can only be a member server.
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Toni UranjekConsultant/TrainerCommented:
I don't think that statemenst is true. And here is step by step guide: http://www.smallbizserver.net/Default.aspx?tabid=266&articleType=ArticleView&articleId=221
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ormerodrutterCommented:
I go wilh Toni you need to run domain prep and forest prep before adding the R2 DC.
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tigermattCommented:
An existing SBS network can indeed have a second 2k3 domain controller for backup purposes, whether the SBS is R2 or not. However, the SBS still has to remain at the root of the forest and domain and you CANNOT have another SBS server in the domain - you can still have a 2k3 DC or member server though.
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tigermattCommented:
"An existing SBS network can indeed have a second 2k3 domain controller for backup purposes", or just as a second domain controller.
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ssnydsCommented:
Hi,ormerodrutter is correct, you will need to run domain prep and forest prep from the second setup disc of the R2 set on you SBS box this will extend the schema and allow for successful promotion into your current domain.
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