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Find out the current version of the Active Directory Schema

Quick one liner to find out current version of the Active Directory Schema on your network especially of you have mix of servers.

Using dsquery utility:

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dsquery * cn=schema,cn=configuration,dc=domainname,dc=local -scope base -attr objectVersion

Or as always PowerShell way:

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Get-ADObject (Get-ADRootDSE).schemaNamingContext -Property objectVersion

Depends on Objectversion number you can tell the current version of the Active Directory on your servers.

The following table lists the correspondence between Windows Server versions and versions of the Active Directory Schema.

Windows Server OS   AD Schema Version
Windows 2000 13
Windows 2003 30
Windows 2003 R2 31
Windows 2008 44
Windows 2008 R2 47
Windows 2012 56
Windows 2012 R2 69
Windows Server 2016 87

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