Find out your Domain Schema Version

KB ID 0000025 


You want to upgrade or find out your current Schema version, or check that an” adprep / forestprep” command has worked correctly.


2For Windows Servers Before 2012 RTM

1. For Windows Server 2003 you will need to Install the Support Tools on your server. (2008, 2008 R2, and 2012 have the tools built in).

2. Press (Windows Key+R) > adsiedit.msc > {enter}

3. Right Click > CN=Schema,CN=Configuration,DC=domain,DC=com > Properties

<pNote: If you cannot see this you need to select “Connect To” then pick “Schema”.

4. On the Attribute Editor tab > Locate objectVersion.

adsiedit schema version

If you check the value above on a domain that has Windows 2012 domain controllers, you will see the value is ‘not set’.

2012 Schema not set

Server 2016 Schema Version

The value is populated with Server 2016 again.

Server 2016 Schema Version


If the entry is blank;

Instead navigate to this registry key;


Locate the ‘Schema Version’ Note: the figure in brackets is the decimal value!

2012 Schema Version


What Are The Windows Server Schema Versions?

20: Windows 2000

30: Windows 2003 RTM, Windows 2003 SP1, and Windows 2003 SP2

31: Windows 2003 R2

44: Windows Server 2008 RTM

47: Windows Server 2008 R2 (and SBS 2011)

56: Windows Server 2012 RTM

69: Windows Server 2012 R2

87: Windows Server 2016 RTM

88: Windows Server 2019 RTM


Related Articles, References, Credits, or External Links

Original Article Written 16/06/11

Author: Migrated

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