A. Even if your DCs are running Windows Server 2003, you can still access all the Group Policy functionality available for Windows 7 clients by making sure to edit the Group Policy objects from a Windows 7 or Server 2008 R2 machine.

Also, if you ensure that you've applied the Server 2008 R2 schema changes to your Server 2003 DCs, you'll further avoid any loss of functionality, including PowerShell administration for Active Directory, BitLocker TPM recovery, and credential roaming.

The only actual pieces of functionality you're likely to lose running Windows 7 against 2003 domain controllers are: