2022 RDS Session Freezing randomly

Question

We are in the testing phase of upgrading to server 2022 for our RD Session hosts. We are experiencing random frozen sessions about 1-2x per day per user and the only way to unfreeze is to disconnect from the session and reopen it. The disconnect code that's shown in 'Microsoft-Windows-TerminalServices-LocalSessionManager/Operational' is 2147942464. The collections with 2019 session host servers are not experiencing this issue.

The connection broker is still 2019 so I'm wondering if this is a compatibility issue.

Answer 1

I had this very problematic issue since 3 or 4 months, explorer would crash after 24 hours of uptime, constant 12% cpu usage (corresponding to 1 core on a 8 core machine), slow OS.

I did a processmonitor because I was suspecting a virus. Did a search on this registry key. I stopped the TIP process, the service, didn't change anything. What instantly fixed the issue at the second I did it, was the comment on top :

"Deleting everything under HKLM\SYSTEM\Software\Microsoft\TIP\TestResults\ fixes this freezing issue (which took 10minutes to complete removal).

Immediately new entries were piling up.

Like others suggested above, remove Full Control permission for SYSTEM AND Users from the TestResult Node (so they only have read)."