You’ll need a .pfx certificate in this guide, so once you have your certificate and any intermediates that need to be installed, export the certificate and include the entire chain the export, assign a password and then save the .pfx somewhere where you can access it from the remote desktop server.

In the Remote Desktop Server:

Installing Certificate;

  1. Click “Start” and then “Run”.
  2. Enter “mmc” and then click “OK”.
  3. Click on the “File” menu and then select “Add/Remove Snap-in…”.
  4. Click “Certificates” and then click “Add >”, when prompted choose option “Computer Account” and then click “Next >”.
  5. Select “Local Computer” and then click “Finish”.
  6. Click “OK” to complete the add snap-in wizard and then expand “Certificates (Local Server)”.
  7. Right click on the “Personal” folder and then select “All Tasks”, then “Import…”.
  8. Click “Next >” and then locate the .pfx you’ve saved earlier. Click “Next >”
  9. Enter your password, and then click “Next >”, click “Next >”, click “Finish”.
Assigning the certificate;
  1. Now open “Remote Desktop Session Host Configuration”.
  2. Right click on “RDP-tcp” in the center of the window and select “Properties”.
  3. On the “General” tab, click the “Select” button, Select your certificate, and then click “OK”.
  4. Click “OK” one more time, and then all future connections will be secured by the certificate.