The RDP client stores the connection details for the machine For every successful connection.

If you want You can clear the RDP Cache history in a couple of ways. I will show you the easy way through regedit.

1. Open Run Prompt Press  (WIN + R)
2. Type Cmd & Press ( CTRL + SHIFT + ENTER) To open Cmd With Administrator
3. Now Enter the Command Line and Press Enter

   • reg delete "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Default" /va /f
     reg delete "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Servers" /f
     reg add "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Servers"
     

Finally, delete the default.rdp file found in your homepath. This is a hidden file and will not show or delete by default.

• • del /ah %homepath%\documents\default.rdp

Here is Tutorial Video Link Of

How to Clear the Remote Desktop Protocol Cache