Here’s how to add an Additional RDP Port to Windows 10.  Alternatively, here are the instructions if you are just looking to change the RDP port.  Whilst these instructions were written for adding an additional RDP port to Windows 10 they also apply to most other version of Windows such as Windows 8 and Windows 7.

Step 1

Open up the Registry Editor (instructions)

Step 2

Browse to the following registry key

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp

Step 3

Right Click and choose export – save the file on your computer – give it a name like RDP-TCP-2

Step 4

Close the Registry Editor

Step 5

Right click on the file you saved and click on Edit

Step 6

As per the picture below change the key from:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp

to

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp-2

Step 7

Close Notepad

Step 8

Double click on your saved RDP-TCP-2 registry file to import the key back in to the registry

Step 9

Open the Windows Registry Editor Again.  We will now change the Port for our new key

Step 10

Browse to our new Key which we just imported.  i.e.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp-2

Step 11

Right Click on Port Number and choose Modify

Step 12

Click on the Decimal radio button

Step 13

Change the Port Number to the desired value and click on OK.

Step 14

Close the Windows Registry and restart the computer

Step 15

You can now test out the new RDP port which you’ve just added to the computer.

Note: If you’re having issues connecting after adding the new RDP Port to the Windows Registry please follow these RDP Troubleshooting tips.