Windows 10: lock screen appearing after 15 seconds of inactivity

So this issue has become increasing frustrating for our end users. After no apparent changes were made random users started reporting that the computer they use would go into screen saver then lock. We have a group policy enabled that keeps the screen saver turned off. We've never needed to change that policy and it's worked just fine - until about a month ago.


We use SCCM to deploy software packages and Windows Updates. We recently pushed a new software title to our school computers and reports started trickling in about computers locking out after 15 seconds (I timed it when I went to troubleshoot). 15 seconds isn't even an option in the power/sleep or screen saver settings.


We found that deleting the user profile from the computer appears to "solve" the problem. But that doesn't help us identify the cause.


In an effort to narrow down possible causes, we made one change in the policy that - at the time - seemed to solve the issue. But our SCCM pushed out a new round of updates yesterday and today we had a few more reports of the 15 second lockout.


This is happening across different hardware platforms too. It's happening to random users and does not seem to be following any pattern which has made this issue extremely difficult to fix.


I've checked error logs, hardware and software differences, changed power/sleep settings and screen saver settings locally and nothing fixes the problem. Only deleting the user profile seems to "fix" it, but again, that's not helping us identify where the problem is coming from.


We are running Windows 10 64-bit (OS build 16299.1029)

:)

 

Disable inactive lock screen.


Good afternoon,

I've got a feeling I'm missing something really basic but I am unable to disable the lock screen that appears after approx 5 minutes of inactivity.
I've used registry and deactivated it following tutorials but that has only stopped the lock screen on start up.

I'm sure I've got it turned off in settings but it still appears.
Can anyone please point me in the right direction?

Thanks,
Chris.

Windows 10 Home.

 

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