Find out your Domain Schema Version


KB ID 0000025 Dtd 10/12/12


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

Note: 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

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


Related Articles, References, Credits, or External Links

Original Article Written 16/06/11

Author: Migrated

Share This Post On