


Update: One more step: You also need to follow the steps described here, as recommended by Ted Myers on the Windows Secrets Lounge. Now the Screen Saver option should be available again in the Personalize area. In regedit, go to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System and create a new DWORD (32-bit) Value.Right-click on the regedit link and choose "Run as Administrator.".Therefore, will take 'Enable screen saver: Disabled'. This last policy will force to calculate the settings of this GPO as if the user belongs to the OU where the server is. This will display the regedit program at the top of the Start dialog box. At the Computer Configuration branch, set 'Configure user Group Policy loopback processing mode' to 'Enabled', mode 'Merge'.Go to Start and in the search box, type regedit.Back up your registry using these instructions.Some trial-and-error and research revealed the answer.

It also displayed the message at the bottom of the dialog: " One or more of the settings on this page has been disabled by the system administrator." On my current Windows 7 Enterprise 64-bit OS, the screensaver option was disabled: When I right-clicked on the desktop, chose Personalize, the Screen Saver item was greyed out.
