In Exchange 2016 server, there is default setting for OWA signout after 8 Hours in idle time.
I have checked with powershell: Get-OrganizationConfig | FL activity*
I tried Set 5 minutes or 15 minutes for testing with Command: Set-OrganizationConfig -ActivityBasedAuthenticationTimeoutInterval 00:05:00
but i did not get any effectiveness changes. OWA pages does not sign out even after 1 hour idle time.
What else do i need to configure? please suggest.