AD Schema Version Support

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AD Schema Versions

The official Active Directory (AD) schema versions are:

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



Samba AD Schema Version Support

Samba supports the following Active Directory schema versions:

Samba Version Highest Supported Schema Version
4.5 and later 69 *
4.0 - 4.4 47

* Experimental support. To report problems, click https://bugzilla.samba.org.



Determine the AD Schema Version on a Samba DC

To determine the Active Directory (AD) schema version on a Samba domain controller (DC):

# ldbsearch -H /usr/local/samba/private/sam.ldb -b 'cn=Schema,cn=Configuration,dc=samdom,dc=example,dc=com' -s base objectVersion
# record 1
dn: CN=Schema,CN=Configuration,DC=samdom,DC=example,DC=com
objectVersion: 47

# returned 1 records
# 1 entries
# 0 referrals



Determine the AD Schema Version on a Windows Client or Server

dsquery

To determine the Active Directory (AD) schema version from the Windows command line:

> dsquery * "cn=Schema,cn=Configuration,dc=samdom,dc=example,dc=com" -scope base -attr objectversion
objectversion
47


PowerShell

To determine the Active Directory (AD) schema version from the Windows PowerShell:

> Get-ADObject (Get-ADRootDSE).schemaNamingContext -properties objectVersion
DistinguishedName : CN=Schema,CN=Configuration,DC=contoso,DC=com
Name              : Schema
ObjectClass       : dMD
ObjectGUID        : 92801cf6-f22d-4b7f-ba70-00af98790881
objectversion     : 47