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Get Error adding a SECOND windows 2k3 DC to the forrest.

Posted on 2006-10-30
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Last Modified: 2010-04-18
I am upgrading the forest in my companies AD domain.
Single forest, single domain.

I created a new DC, with windows 2003.  
Ran forest prep
ran domain prep

DC Promo.
Moved all the fsmo roles over to the new DC.
(double checked. used the command line tool to verify the FSMO roles were where i thought they were.)

All good.

2 days later

Shut down a old 2000 DC, and loaded Windows 2003 R2
(should have dc dmoted the server duh.)
carefully removed the refrences to the old name from ad.
removed the old refernces to the old DC from the DNS. ( think I may have missed a refence.

Added the server back to the domain with the origional name.

Ran updates. and rebooted.

Tried to dcpromo
got the following error:
"the verson of Active Directory schema of the source forest is not compatible with the version of Active Directoy on this computer"


Changed the server name.

Tried to dcpromo
got the following error:
"the verson of Active Directory schema of the source forest is not compatible with the version of Active Directoy on this computer"

Tried a few other things, like what account I was logged in as.. local admin vs domain admin....

I am stumped...
the error is not telling me anything usefull.
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Question by:rstoddart
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Jay_Jay70 earned 2000 total points
ID: 17839190
with windows 2003 R2 (release 2) you will need to run the adprep tools from the second cd supplied in the 2 cd set!

\CMPNENTS\R2\ADPREP

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

this boosts the schema up to cope with R2 functionality
http://www.microsoft.com/windowsserver2003/r2/whatsnewinr2.mspx
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Author Comment

by:rstoddart
ID: 17842112
I would have never have guessed!

Thanks a whole bunch!
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LVL 48

Expert Comment

by:Jay_Jay70
ID: 17845915
no problem, it gets everyone :-)
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