There was an update of our anti-virus software on 2021-02-09 where it would block RDP by default. This was never reported to us and turning it off solved the problem. There was nothing in the Event Viewer logs to determine that I just happened to notice that the connection was dropped immediately after the start up of PCMatic anti-virus. What a pain.
RDP Connection Dropping Immediately After Connection
I have a group of pcs running windows 10 pro and only 1 has a problem with RDP connections logging the user off immediately after connection. Not only does it not allow the connection but it completely logs the user off if they were previously logged in locally. I have tried running DISM.exe /Online /Cleanup-image /Restorehealth immediately followed by sfc /scannow but the problem persists. This only started happening after I updated the PC on 2021-02-11. I have verified that fast user switching is turned on, I even made sure the swap was set to system managed and ensured that all of the rdp services are running. I don't know what else to try. None of the other PCs on my network have any problems even after the update.
Now after updating other machines that weren't updated previously, remote desktop is doing the same thing on all of them
The disconnection could be caused by various reasons, have you checked General Remote Desktop connection troubleshooting ?
We can also find some useful info from event log.
Thank you for the information but I have tried/verified everything in the post that you provided however, every machine on my network that I have updated to the most recent windows update experience the same problem. I have looked through the logs and there is no explanation of what is going on. Every machine that I have attempted to connect to signs me out of the account that I am logged into on the remote machine and terminates the remote desktop connection. I hope that there is a "cure" for this "feature"/unintended consequence of the most recent windows update.
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Thanks for the sharing :)
Have a nice day~
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