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Adprep /forestprep & /domainprep not working on Windows Server 2003 R2 DC

I'm trying to add a new Windows Server 2008 Standard DC to my current W2K3 AD domain. When running dcpromo on the W2K8 box it tells me to run adprep /forestprep & adprep /domainprep on the existing W2K3 DC using the adprep.exe from the W2K8 install media in order to prepare the domain. I have tried this but running adprep simply does.. nothing..

Going back to the W2K8 box, same error message. The logged on user account is member of the Schema Admins group. Any ideas?
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carlnorrbom
Asked:
carlnorrbom
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1 Solution
 
twcadminCommented:
What is the current level of the forest and domain. They must be 2003 before you can run forestprep and domain prep to upgrade to 2008. Also, have you made sure there are no issues in the event logs of the server?
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carlnorrbomAuthor Commented:
The forest/domain functional level is 2003 so that should not be the issue. Nothing out of the ordinary / no errors or warnings in the event logs. The strange thing is that NOTHING happens when I try to run adprep, I don't even get an errormessage and the adprep.log (in C:\Windows\debug\) is completely empty, not one single line.
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Darius GhassemCommented:
Be sure to use 32-bit media when running Adprep from a 32-bit domain controller, and use 64-bit media for 64-bit domain controllers.
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Darius GhassemCommented:
This should help you if the above post is the problem. Make sure you walk through these steps,

http://www.biztechmagazine.com/article.asp?item_id=324
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