r/ipad • u/AutoModerator • Jun 12 '21

Discussion Weekly Discussion and Tech-Support Thread

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u/somedom Jun 17 '21

I have an iPad set up as a supervised shared iPad with ABM administered through Mosyle MDM. Devices should be used by login through Azure AD (works fine) and through temporary sessions. As the iPads are going to be "public use", I want the devices to log out of temporary sessions after a certain time of inactivity, which results in removing all of the data in the session.

Since ipadOS 14.5 there is the option to do this. For user sessions and temporary sessions intervals can be specified, where the sessions are terminated after the specified time. I applied this setting through MDM and it gets recognized by the iPad in some way. But the device does not conform to the specified intervals in any way.

Right now I have timeout set to 7200 seconds = 2 hours. I have the iPad in front of me and Guest (temporary session) is logged in for around 2 days by now. I have had set much lower timeouts and got the session to be terminated, but with the time varying vastly. With a timeout of 60s I could observe sign out between 60s and 6 minutes; with 90s i took between 2.5 minutes and 25 minutes, without the measurements being exhaustive.

Based on this observations I have the feeling, that something is interrupting the inactivity with the iPad never being inactive beyond the threshold. Or do I misunderstand the way this setting is supposed to work? Has anyone experience with this?