We have a setup of Windows Server 2003 at Functional level with Forest 2003. Now we are also trying to add a Windows Server 2008 64 DC to the same which we are running from past few weeks. After running DCPROMO I got notification saying that I haven’t ran adprep yet. Hence I copied the adprep folder from the 2008 cd and log on to the current and woefully overloaded DC.I run adprep /forestprep and adprep /domainprep /gpprep.
All done, and now when I try to run dcpromo on the 2008 box it still says that I need to run adprep /forestprep. Why now again? Though I ran it again, it gives me the same message again and again. Do anyone else have come through such situation? Please help.
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