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Problem Upgrading a Child Domain to Windows 2008 R2

Posted on 2009-12-17
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Hi... Here is my current setup:

4 DC's in Parent Domain ( domain.com )
  - Qty1 - Win2k8 R2 DC
  - Qty 3 - Win2k3 DC's

2 DC's in Child Domain ( child.domain.com )
   - Qty 2 - Win2k3 DC's

I've recently added a new DC to the parent domain using Windows 2008 R2. Before adding the server, I went through and ran adprep /forestprep, then ran adprep /domainprep, then ran adprep /domainprep /gpprep. The insertion of the Windows 2008 R2 as a DC in the parent domain went fine. It is installed and running well with no issues in ANY of the DC's event logs in the parent domain.

I'm now trying to add a Windows 2008 R2 DC to our Child Domain. I've already run adprep /domainprep and adprep /domainprep /gpprep in the Child Domain and everything went well ( did this on the old Windows 2003 DC's in the child domain  ). I now went and ran DCPROMO on the Windows 2008 R2 server. It started adding the AD roles and installing the AD binaries. Then it stopped saying that "adprep /domainprep" needs to be run. Huh??? I already did that!! So I went back to both DC's ( running Win2k3 ) in the child domain and tried running adprep /domainprep and adprep /domainprep /gpprep again. Both times on both domain controllers it told me that adprep had already been ran and there was nothing for it to do. BTW, just so everyone is clear I'm running the adprep from the Win2k8 disc.

I'm not sure what to do now. I've already preped the the Forest and both Domains. How can I get the the Win2k8R2 server that I have for the child domain to be inserted as a DC??
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Question by:fgarufijr
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Expert Comment

by:Mike Kline
ID: 26075106
When you ran adprep in the child domain did you run it from the 2008 R2 disc?   If your child DCs are x32 then you will have to use adprep32...more on that here
http://policelli.com/blog/?p=433
Can you download adfind  http://www.joeware.net/freetools/tools/adfind/index.htm
run
adfind -sc schver
Do that in the child domain
47 = 2008 R2
44 = 2008
31 = W2K3 R2
30 = W2K3
...just want to see what version you are at
Thanks
Mike
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Author Comment

by:fgarufijr
ID: 26075698
Hi mkline

Thank you for your response....

Yes... Both of my 2003 DC's in the Child Domain are 32 bit so I got the 2008 Stnd 32 bit disc and ran adprep from that.

I downloaded the tool and ran it... Here's the output:


C:\Documents and Settings\administrator.<child-domain>\Desktop\AdFind>adfind -sc schver


AdFind V01.40.00cpp Joe Richards (joe@joeware.net) February 2009

Using server: Server2.Child.Domain.org:389
Directory: Windows Server 2003
Base DN: CN=Schema,CN=Configuration,DC=Domain,DC=org

dn:CN=Schema,CN=Configuration,DC=Domain,DC=org
>objectVersion: 47 [UNKNOWN]


1 Objects returned

C:\Documents and Settings\administrator.<child-domain>\Desktop\AdFind>

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Expert Comment

by:Mike Kline
ID: 26076556
are you trying to install 2008 R2 on these boxes or 2008?
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Author Comment

by:fgarufijr
ID: 26076605
I have a NEW server that I've installed Win2k8 R2 on and I'm trying to join it to the Child Domain as a DC
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Expert Comment

by:Mike Kline
ID: 26076626
when you did the prep did you use adprep32 from the 2008 R2 disc?
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Author Comment

by:fgarufijr
ID: 26076709
no... I use a Win2k8 Stnd 32bit disc. Is that the problem?
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Mike Kline earned 2000 total points
ID: 26076727
it is odd because adfind shows your schema version at 47 which is R2
I'd try the prep with the 2008 R2 disc (adprep32) in your child
 
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Author Comment

by:fgarufijr
ID: 26076731
ok.. I'll try that in a few minutes and get right back to you
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Author Closing Comment

by:fgarufijr
ID: 31667486
Mike...

Great job! I would have never thought to have used the R2 disc adprep32.exe!!!

Thank you VERY much :)
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Expert Comment

by:Mike Kline
ID: 26078217
No problem, glad to help out and great job getting 2008 R2 DCs up in production.
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