I was asked which components extended the schema with Windows Server 2003 R2 I always miss a small detail so below is a table explaining which components extend the AD schema for Windows Server 2003 R2:

 

DFS Replication

  • Upgrade the domain controller with the schema master with R2 schema update.
  • Can be installed on any Windows Server 2003 R2 server computer.

 

Identity Management for UNIX

  • Upgrade the domain controller with the schema master with R2 schema update.
  • Must be installed directly on a Windows Server 2003 R2 domain controller

 

Print Management Console

  • Upgrade the domain controller with the schema master with R2 schema update.
  • Can be installed on any Windows Server 2003 R2 server computer.