>Any org in our MSP portal that has a logout after x minutes of inactivity causes you being logged out after a measly 5 minutes, regardless of the setting of minutes.
I *think* this is related to existing unused sessions (such as when someone just quites the browser).
Go to "My Profile" (in the top right-hand corner), and then down to "Active Sessions". I'm up to 63 at the moment. From time to time, I need to use the "Sign out all other sessions" to clear them out, and then I think it works better.
When I get logged out for inactivity, I try to use the "resume session" option. It is in small print on the logout page. This helps prevent another session from being created.