Screen lock & fingerprint unlock are very slow in macOS 14.6

Hi, I'm using MBP M1 Pro. After upgrading to macOS Sonoma 14.6, I'm experiencing slowness in following scenarios:


-Locking the screen: either by pressing the power button shortly, or by going to Apple icon and selecting "Lock Screen" - the screen turns into the wallpaper almost immediately, but the date, time and account icon do not come up, sometimes for even 20 seconds. Until they do, touching fingerprint scanner, or typing the password, does not unlock the MacBook.


-Unlocking the screen: Once the date, time, and account name are visible on the screen, I'm able to unlock my MBP either by typing the password or using the fingerprint scanner, but the fingerprint unlock option can take up to 10 seconds (with the loading "circling dots" animation at the bottom of the screen) to unlock it.


I have tried booting in Safe Mode, but my experience with locking & unlocking was similar there.

MacBook Pro 14″, macOS 14.6

Posted on Aug 1, 2024 2:54 AM

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Posted on Aug 15, 2024 10:15 PM

Afternoon all,


We've been experiencing the same issue on Intune managed devices running macOS 14.6.1.


I was able to verify that going back to 14.5 resolved the issue. After the device upgraded to 14.6.1 again the issue re-appeared.


I reported it to Microsoft and they asked me to try removing the MDM profiles and see if that resolved it.


Again, I can confirm that unassigning all of the configuration profiles, scripts and apps resolved the issue. The primary Intune management profiles remained since the device is still linked but this is good.


However, I was determined to find the specific cause. The previous comment about the issue not being present when a different user logged in led me to check the configuration profiles that are deployed via the user channel vs. device.


After re-applying all of the configuration profiles and scripts one at a time I was able to track the cause to a single profile in Intune that uses a Custom Configuration profile to set the local device password policy. It uses the com.apple.mobiledevice.passwordpolicy payload type.


Removing this policy by itself resolved the issue after a restart and re-applying it made the issue return.


I can't guarantee it will resolve the issue for all of you since your setup may be vastly different, but it's worth checking. Failing this, removing your user deployed profiles may help you narrow the cause.


The user related profiles can be identified by going to System Settings > Privacy & Security > Profiles.


At the top there should be a section named User (Managed).


I've passed this info and the configuration profile XML file onto Microsoft for review.


Thanks and good luck!

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Screen lock & fingerprint unlock are very slow in macOS 14.6

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