AD for windows 2008

Posted on 2013-01-31
Last Modified: 2013-03-03
I have several windows 2003 AD DC on our network but do not know if someone has extend our AD DC to support windows 2008 AD. Is there a way to tell if AD has been extended to support Windows 2008 AD?

Question by:officertango
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by:Mike Kline
Mike Kline earned 100 total points
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palicos earned 100 total points
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Hi,, please check these lins..

How to check the schema version?

Moreover, I guess schema analyzer tool will be helpful to compare the schema pre and post extensions.

Moreover in community already a similar thread has been discussed...

see this link also

I hope it helps you.
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sarang_tinguria earned 100 total points
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dsquery * “cn=schema,cn=configuration,dc=domain,dc=local” -scope base -attr objectVersion 

Open in new window

on any of your DC and compare the output version with below table

13 - Windows 2000 Server
30 - Windows Server 2003 (realease 1)
31 - Windows Server 2003 R2 (release 2)
44 - Windows Server 2008 (release 1)
47 - Windows Server 2008 R2 (release 2)
51 - Windows Server 8 Developers Preview (new server edition; now only in Developer’s preview for MSDN subscribers)
52 – Windows Server 8 Beta (publicly available)
56 - Windows Server 2012


Schema version
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violageek earned 100 total points
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You can use the following powershell command on one of your DC:

Get-ADObject "cn=schema,cn=configuration,dc=YOURDOMAIN,dc=LOCAL" -properties objectversion

Depending on the objectVersion it outputs you can figure out if your schema has been extended for Server 2008 (R2) or not. To get a quick idea of what the numbers are

30 -> Windows Server 2003
31 -> Windows Server 2003 R2
44 -> Windows Server 2008
47 -> Windows Server 2008 R2

Hope this helps.
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Sandeshdubey earned 100 total points
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