DCPROMO  Win2k3 R2

Posted on 2006-07-06
Last Modified: 2012-06-21
I have multiple DC's that are running on Windows 2003 Standard SP1.  We just bought our first Server that has Windows 2003 R2 on it.  When I do the DCPROMO I get an error saying that I need to run adprep on that machine to prepare active directory.  Is there anything problems I should know about this before I just run this and update AD?  All of our servers are Windows 2003 Standard SP1 and we also have Exchange 2003.  I am just being cautious before I run this. Thanks.
Question by:j0s3ph
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LVL 84

Expert Comment

ID: 17054144
There shouldn't be any; you need to run adprep /forestprep from the \CMPNENTS\R2\ADPREP\ folder on the second CD:
Error message when you run the Active Directory Installation Wizard: "The version of the Active Directory schema of the source forest is not compatible with the version of Active Directory on this computer"

Author Comment

ID: 17054290
I insert the CD 2 from Windows 2003 R2 in the DC that has Server 2003 Standard (on the DC) correct?  Do you know if it matters if I run it on the DC or the DC w/Exchange installed on it, is there a difference?

Author Comment

ID: 17054605
Right now we have three Domain Controllers running Server 2003 Standard.  Do I just run this once on one of the DCs and it will convert all of them?
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LVL 84

Expert Comment

ID: 17056551
You need to run that (only) on the Schema Master; the account you're using has to be a member of the Schema Admins group.

Author Comment

ID: 17058168
I should do this adprep /forestprep even though I have Server 2003 Standard?  According to the technet articles this is supposed to be done on a Windows 2000 Server.  Will this have any affect on my Exchange 2003 on my DC or is there anything extra I should do for it. Thanks in advance.
LVL 84

Accepted Solution

oBdA earned 500 total points
ID: 17060838
Yes; you have Server 2003, but not Server 2003 R2 (as a DC). No, this should not have any effect on your Exchange server.
Extending Your Active Directory Schema for New Features in Windows Server 2003 R2

Author Comment

ID: 17079112
oBdA, Things worked out very nicely. Thanks for the links.  I felt better after reading the information first.

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