Active Directory: Verify what version of the Active Directory Schema is installed.

To verify what version of the Active Directory Schema you have installed:

Using adsiedit.msc, navigate to either of the relevant locations:

Active Directory Schema version  “CN=Schema,CN=Configuration,DC=domain,DC=local”

Note: Replace “dc=domain,dc=local” with your domain information.

To verify the schema version, right click the distinguishedName that you navigated to and scroll down to the objectVersion attribute and note the value.

Compare the attributes value to the table below:

Active Directory Schema Versions.

13 Windows 2000 Server
30 Windows Server 2003,Service Pack 1, Service Pack 2
31 Windows Server 2003 R2, Windows Server 2003 R2 SP2
39 The beta schema that shipped on the Vista DVD and not supported.  Read this post by Ned
44 Windows Server 2008 RTM, Windows Server 2008 SP2
47 Windows Server 2008 R2
51 Windows Server 8 – Developer Preview
52 Windows Server 8 – Beta
56 Windows Server 2012
69 Windows Server 2012 R2

Exchange Schema Versions. (rangeUpper attribute value of ms-Exch-Schema-Version-Pt)

4397      Exchange Server 2000 RTM
4406      Exchange Server 2000 Service Pack 3
6870      Exchange Server 2003 RTM
10637    Exchange Server 2007 RTM
11116    Exchange Server 2007 Service Pack 1
14622    Exchange Server 2007 Service Pack 2
14625    Exchange Server 2007 Service Pack 3
14622    Exchange Server 2010 RTM
14726    Exchange Server 2010 Service Pack 1
14732    Exchange Server 2010 Service Pack 2
14734    Exchange Server 2010 Service Pack 3
15137    Exchange Server 2013 RTM
15254    Exchange Server 2013 CU1
15281    Exchange Server 2013 CU2
15283    Exchange Server 2013 CU3
15292    Exchange Server 2013 SP1
15300   Exchange Server 2013 CU5

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