Active Directory schema version numbers

Preview/06/2012: Added version number for Windows Server 2012 RC
Update 06/05/2015: Added version number for Windows Server 2012 R2 (thanks to Jimmy Twoshoes and Cody Kniffen; sorry for the extreme delay)
Update 11/10/2017: Add version number for Windows Server 2016 and PowerShell command
Update 01/12/2018: Add version number for Windows Server 2019
Update 13/06/2023: Version number for Windows Server 2022 is same as 2019

• Windows 2000 RTM with all Service packs = Schema version 13
• Windows Server 2003 RTM with all Service packs = Schema version 30
• Windows Server 2003 R2 RTM with all Service packs = Schema version 31
• Windows Server 2008 RTM with all Service packs = Schema version 44
• Windows Server 2008 R2 RTM with all Service packs = Schema version 47
• Windows Server 2012 RTM = Schema version 56
• Windows Server 2012 R2 = Schema version 69
• Windows Server 2016 = Schema version 87
• Windows Server 2019 = Schema version 88
• Windows Server 2022 = Schema version 88

You can check the version in the registry:

• Registry: HKLM\SYSTEM\CurrentControlSet\Services\NTDS\Parameters\<Schema Version>
• dsquery: dsquery * CN=Schema,CN=Configuration,DC=Root-Domain -Scope Base -attr objectVersion
• ADSIEdit: open ADSIEdit and navigate to “CN=Schema,CN=Configuration,DC=domain,DC=local”, right-click “Properties” and locate “objectVersion” attribute value
• PowerShell: Get-ADObject (Get-ADRootDSE).schemaNamingContext -Property objectVersion

References

How to find the current Schema Version – http://support.microsoft.com/kb/556086

One-Liner: Active Directory Schema Version – https://blogs.technet.microsoft.com/poshchap/2014/03/07/one-liner-active-directory-schema-version/