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How to address Windows 2003 environment with Adprep command

Posted on 2006-10-19
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Hello all,

Quick question:  I currently have a windows 2003 environment and I want to add another windows 2003 server and then run dcpromo.  When I run the dcpromo, it tries to replicate the AD informatio but gets the error message along the lines-  need to run adprep.  I had thought you only need to run adprep when going from windows 2003 server to windows 2000 network.  Can you assist me with this problem?  I am thinking to run adprep since it told me but why would it need to be run if AD is already for 2003?

Thanks in advance for your help.
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Question by:g000se
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by:Chris Dent
ID: 17767958

Your new server isn't Windows 2003 Release 2 is it?

If so, you will need to run ADPrep from that CD as it has yet more things to add in.

Chris
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by:g000se
ID: 17767999
I think you may be right, my boss had order the server.  The server has R2.  So I will run the ADprep from that CD on the existing Windows DC?
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by:g000se
ID: 17768007
I can run this during regualr hours or is it preferred after hours?
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Chris Dent earned 500 total points
ID: 17768159

Regular hours, the update is minor. Naturally you should ensure you have a backup of the System State before hand (no reports of it ever doing anything nasty, but it never hurts to be careful). It adds a few extra attributes to the Schema almost all of them to do with DFS.

If you're not sure about the process at all then you can read the MS document about it here:

http://www.microsoft.com/downloads/details.aspx?familyid=5B73CF03-84DD-480F-98F9-526EC09E9BA8&displaylang=en

The ADPrep tool is on the second CD of the retail set, not sure where they put it when you get it with the server. The exact location is in the document above.

Chris
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by:Chris Dent
ID: 17768162

Oh and you should give it 15 minutes or so after applying the update before you attempt to DCPromo the new server.

Chris
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by:g000se
ID: 17833883
Thanks Chris for the clarification.  It helps.  It looks we are going to install Windows 2003 w/out R2.  At least I am now equip for the future R2 but Vista is coming too.  :)

Cheers!
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