Microsoft’s official Group Policy blog
If you've upgraded your Vista client to SP1, you've found that installing Windows Vista SP1 removes GPMC; installing RSAT will put GPMC back on your client. You can install RSAT from the following locations:
Microsoft Remote Server Administration Tools for Windows Vista with SP1 (x86)
Microsoft Remote Server Administration Tools for Windows Vista with SP1(x64)
Pay attention to the instructions for installing RSAT, especially the preceding note, that informs you to uninstall earlier versions of the Adminpak and the beta versions of the RSAT tool. Failure to do this may result in many hours to sort out installation problems.
I'm repeating the instructions here since the download center screen navigates away from the instructions once you've started downloading and installing RSAT.
Read this note before installing RSAT:
RSAT should not be installed on a computer that is running the Windows Server 2003 Administration Tools Pack or Windows 2000 Server® Administration Tools Pack. Please remove all versions of Administration Tools Pack from the computer before installing RSAT.
Only one copy of RSAT can be installed on a computer at one time. Before installing a new package, remove any existing versions of RSAT, including any copies that are in different languages.
RSAT installation instructions:
On a computer running the final release of Windows Vista with SP1:
New GPMC Features
Once you've downloaded RSAT and configured the Windows Features to add GPMC to your administrative tools, you'll find several new GPMC features:
You can download the document on all new and changed features for Windows Server 2008 (http://www.microsoft.com/downloads/details.aspx?familyid=173E6E9B-4D3E-4FD4-A2CF-73684FA46B60&displaylang=en) which will give you more detailed information on the new GPMC features listed above.
Judith Herman, Group Policy Programming Writer
Lors d'un troubleshoot d'impact GPO sur App-V, un sujet est revenu important à bloguer pour moi.
Running Vista x64, SP1... I downloaded the RSAT tool Windows6.0-KB941314-x64.msu and it keeps saying "This update is does not apply to your system". It may be something strange with my computer too - the other day it was refusing to open anything except the 32 bit control panel until I rebooted. Strange.
Since one has to uninstall the 2003 Adminpak before installing RSAT, how can one can back the Active Directory Users and Computers snap-in?
It isn't really stated here, but to actually get GPMC installed you have to go into "Programs and Features" and then "Turn Windows features on or off" and then check the box for "Remote Server Administration"
If you just want to turn on the "Group Policy Management Tools," that is located under "Feature Administration Tools"