AD Schema Versions

Below is a list of OS versions and related schema versions.

Find out the current schema version by inspecting the objectVersion property of CN=Schema,CN=Configuration,<Forest DN> For example, to find out the current schema version, use a tool like ADSIEDIT or dsquery, e.g.:

dsquery * CN=Schema,CN=Configuration,<Forest DN> -scope base –attr objectVersion

or use PowerShell:

Get-ADObject (Get-ADRootDSE).schemaNamingContext -Property objectVersion
AD version objectVersion
Windows Server 2000 13
Windows Server 2003 30
Windows Server 2003 R2 31
Windows Server 2008 44
Windows Server 2008 R2 47
Windows Server 2012 56
Windows Server 2012 R2 69

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