Change the listening port for Remote Desktop

1. Start Registry Editor.
regedit

2. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\TerminalServer\WinStations\RDP-Tcp\PortNumber

3. On the Edit menu, click Modify, and then click Decimal.

4. Type the new port number, and then click OK.

5. Quit Registry Editor.

6. Reboot