Active Directory Schema Versions
The model of "the object which managed by Active Directory and the one's attributes" can be extended as necessary. The model is called Active Directory Schema. Active Directory Schema has also been updated as OS is upgraded. To query the schema version using PowerShell, use the following command:
Get-ADObject (Get-ADRootDSE).schemaNamingContext -Properties objectVersion
The list is below:
Active Directory Schema Versions
| OS | Schema Version |
| Windows 2000 Server | 13 |
| Windows Server 2003 | 30 |
| Windows Server 2003 R2 | 31 |
| Windows Server 2008 | 44 |
| Windows Server 2008 R2 | 47 |
| Windows Server 2012 | 56 |
| Windows Server 2012 R2 | 69 |
| Windows Server 2016 | 87 |
| Windows Server 2019 | 88 |
| Windows Server 2022 | 88 |