I've deployed an InTune policy to lock screens after 900 seconds (15 minutes) using
Device Configuration Profile > Local Policies Security Options > Interactive Logon Machine Inactivity Limit > 900 seconds.
I deployed this policy to a large group of devices after testing on one device where it worked as expected.
Out of a large group of devices, one device has consistently experienced a 60 second screen lock instead of a 900 second screenlock whenever this screen lock policy is applied to this device.
The device is a Lenovo running win11. I have tested on 4 other devices total and the policy works at 900 seconds on all of them. I'm currently working to obtain a better/larger test sample to find the common factor.
Right now, the only difference I can find between the machine which locks in 60 seconds versus the successful test machines is it...
