Windows 2012 Remote Desktop or RemoteApp session log off

To automatically clear disconnected sessions off of your RDS host, open up 'Edit Group Policy' and browse to Computer Configuration\Administrative Templates\Windows Components\Remote Desktop Services\Remote Desktop Session Host\Session Time Limits. Enable the policies 'Set time limit for disconnected sessions' and 'Set time limit for logoff of RemoteApp sessions'. Set both time limits to 5 minutes.