We have been fighting for months with a weird behaviour where Windows Server 2022 all of sudden was becoming no more accessible via RDP after a while. That was happening only on some VMs, not all of them.

The symptom was simple: you were trying to connect to a Windows Server 2022 server hosted in a VM, the RDP connection screen was showing to you the classic certificate warning and when you decide to go on server was logging you in for a very short time then the connection crashed. We were able to login via Hyper-V console but RDP was no-go. Nothing was working while the fact you were correctly logging in was proved by the fact that another session started from Hyper-V [...]

With an unusual move, Microsoft released on May critical patches for Windows Server 2003 and Windows XP. Such operating systems are long been discontinued and they don’t usually receive patches and updates besides eventual special agreements that could have been signed by customers. However, even in the past when WannaCry ransomware had been spreading in the wild and it was compromising several thousands of machines Microsoft released special patches for such old software. This time the new patches address vulnerabilities that would allow remote execution code and thus they have been deemed as critical. The flaws affect Remote Desktop Protocol (RDP) and could be mitigated by [...]