How to Set Remote Desktop Session Timeout
- 1). Login to your PC server with an account that has administrative privileges.
- 2). Open the Start menu, highlight the "Administrative Tools" folder and click on "Terminal Services Configuration."
- 3). Highlight the "Connections" folder.
- 4). Right-click on the item labeled "RDP-Tcp" and click "Properties."
- 5). Click on the "Sessions" tab at the top of the window.
- 6). Click on the drop-down menu next to "Active session limit" and specify the amount of time you want to use as a limit for remote desktop sessions.
- 7). Press the "OK" button to set the remote desktop timeout limit.
Source...