From http://www.howtonetworking.com/casestudy/tstimelimit1.htm To set time limits for automatically disconnecting or logging-off a user from remote desktop session, follow these steps: Open group Policy by running gpedit.msc. Select Administrative Templates > Windows Components > Terminal Services > Sessions. Right-click on Set time limit for disconnected sessions. Select Properties. Check Enable and select time you want under End a disconnected session.