Group Policy Preferences
If i was to add a trial version of Windows 2008 R2 to a 2003 Server domain as a an extra domain controller, but then remove it, would Group Policy Preferences still work? I presume when you add 2008 Server it update the domain , do these updates that support Group Policy Preferences get removed when the last 2008 server is removed?
Group Policy preferences dont need 2008 to deploy it as a GP. You just need to edit GP using a modern client/server (aka vista+ 2008+) but you dont actually need to have a 2008+ dc to deploy them. They can also be applied onto xp/2003.