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Adding a Windows Server 2008 R2 Domain Controller

I have added a new server (2008 R2) to a windows 2003 domain and I am trying to run dcpromo on it.  During dcpromo, it says I have to run adprep /forestprep before continuing.  Do I need to run that on the original domain controller, which is Windows 2003, or the new 2008 R2 server I want to promote?
2 Solutions
Mike KlineCommented:
You need to run forestprep on the schema master and domainprep on the infrastructure master.  I'm guessing they are on the same box.

Is your 2003 box 32 or 64 bit.   If it is 32 bit then use adprep32


Krzysztof PytkoSenior Active Directory EngineerCommented:
If you wish you may follow with an article on my blog titled "Adding first Windows 2008 R2 Domain Controller within 2003 network" at http://kpytko.wordpress.com

@Mike: sorry for promoting myself :/

Mike KlineCommented:
No problem...like the new blog :)


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you need to run both command from any 2003 DC
JoMarAuthor Commented:
Thank you Mike,  I was able to run domainprep and forestprep using adprep32 on the 32 bit domain controller and was then able to promote the new server to a domain controller.  I gave Krzysztof some points for providing his blog.

Were you able to point your Spam Firewall, exchange, and File server to your new  domain controller (Window 2008 R2)? I am asking this question for similar project.

Thanks in advance!
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