There are a couple ways to determine your Windows AD Schema Version: ADSIedit.msc and/or LDP.exe. In this article I use ADSIedit.msc.

Note: The sample domain used in this article is Servusinc.com. Substitute this domain with your own AD domain.

  1. Open “ADSIEdit.msc ”
  2. Navigate to: “CN=Schema,CN=Configuration,DC=ServusInc,DC=com”
  3. Right-click on “CN=Schema,CN=Configuration,DC=ServusInc,DC=com” and select properties.
  4. Scroll down to “objectVersion” attribute.
  5. The value of this attribute will tell you the schema version.

 

13 -> Windows 2000 Server

30 -> Windows Server 2003 RTM, Windows 2003 With Service Pack 1, Windows 2003 With Service Pack 2

31 -> Windows Server 2003 R2

44 -> Windows Server 2008 RTM

47 -> Windows Server 2008 R2

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