We recently upgraded to Horizon View 5.3.1
About 2 weeks after the upgrade i am now getting Bombarded with
BROKER_MACHINE_SESSION_TIMEOUTS they are now happening all the time (about 45/day) and are occuring on users that are not logged in or disconnected.
There is no Setting in the GPO to timeout the session and in the Global Settings it is set to 9,999,999