Step1: Check that you can ping the computer by it’s IP address and telnet to port 3389.
Not very helpful but that is Microsoft’s Windows for you! How to Fix “Remote Desktop Connection an Internal Error Has Occurred” Error Meaning, when I RDP to the said computer using it’s name, my computer was not able to determine its IP address. Like many error message in Windows, this could mean a number of things. What Causes “Remote Desktop Connection an Internal Error Has Occurred” Error? It was strange because up until the time I received this message I used Remote Desktop to connect to the computer without any problem. I recently received the error message “Remote Desktop Connection an Internal Error Has Occurred”.
