Fix: Remote Desktop Connection 'Internal Error has Occurred'

Originally published at: Fix: Remote Desktop Connection 'Internal Error has Occurred'

“An Internal Error has Occurred” Error appears while connecting to a desktop or laptop through the Remote Desktop Connection. The error can be caused by misconfigured Remote Desktop Protocol (RDP) and security settings. When the error popups, that means RDP is not able to create a connection with the RDP server between the user and…

In my case, this was part of the problem. Thank you for pointing me in the correct direction.
After deleting the RDP certificate, I also had file permission problems on the c:ProgramDataMicrosoftCryptoRSAMachineKeysf686aace… file for some unknown reason.

Event ViewerSystem gave this error: “The RD Session Host Server has failed to create a new self signed certificate to be used for RD Session Host Server authentication on SSL connections. The relevant status code was Object already exists.”

After taking ownership and deleting the file, RDP recreated the certificate and all was fine again.

Solution number 4 worked for me thank you

How did you fix this problem?


“Server 2008 r2” was using more users and using less resources. Since Server 2012 (especially in 2016), the same number of RDP users started using more resources. In other words, we could not run as many users on the same server in 2016 server as before. What is your comment, solution on this issue?

Y’all are most likely under attack via brute force.
check your event viewer, you may notice a ton of audit failures.

Use VPN to RDP and close external ports.

Thank you for sharing your solution, the article will be edited shortly