How to change the listening port for Remote Desktop 
- Start Registry Editor.
  
- Locate and then click the following registry subkey:
 
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\TerminalServer\WinStations\RDP-Tcp\PortNumber  
- On the Edit menu, click Modify, and then click Decimal.
  
- Type the new port number, and then click OK.
  
- Quit Registry Editor.
  
  
Note When you try to connect to this computer by using the Remote Desktop connection, you must type the new port.    
  
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