Is the GPO linked to the user or machine OU? If its the machine OU you need to enable Loopback Policy Processing for it to work. ---Blackberried -----Original Message----- From: Angela Smith <angela_smith9@xxxxxxxxxxx> Sender: thin-bounce@xxxxxxxxxxxxx Date: Tue, 10 Apr 2012 14:07:55 To: <thin@xxxxxxxxxxxxx> Reply-To: thin@xxxxxxxxxxxxx Subject: [THIN] Screensaver Issues Hi Trying to enable screensaver for XenApp 4.5 Published Apps but its not working. Im setting the following in AD user GPO. Is this the correct way to do it? Any ideas on why its not working? Basically the screensaver isn't turning on after idle period.. Administrative Templates Control Panel/Display Password protect the screen saver Enabled Screen Saver Enabled Screen Saver executable name Enabled Screen Saver executable name C:\WINDOWS\system32\scrnsave.scr Screen Saver timeout Enabled Number of seconds to wait to enable the Screen Saver Seconds: 120 Thanks Angela