Mac Os Sierra keep logging out !!

Over a month ago now I also had this problem, and soon after observing this thread decided to simply create a new user and migrate everything from old user. It took a LOT of time. But that was time well-spent. I have had no issue since. None. And have posted to that effect.

I've seen tons of people posting since then, and some who have continued dealing with this issue for weeks or months, 99% of whom have not seen resolution, wondering when Apple will roll out a fix. Those who did see resolution sometimes discovered later they didn't really fix it as well as thought, or their fix worked for them but no one else or only a few. Meanwhile an OS update has come and gone and still no fix from Apple. No one seems to have found a silver bullet in the guts of the OS to fix this either.

Many responded to my earlier posts with the sentiment that my solution is way too much of a time suck. And it was. But... I'm not dealing with the issue anymore. It's now an almost forgotten distant memory.

Yes migrating stinks. And for a few weeks afterward I was still occasionally discovering another preference I needed to re-establish. But the fix was immediate, permanent, and 100%. And many iCloud-based things like Keychain carried over, no migration necessary. This seems to be the only solution that reliably, permanently solves the problem.

So, as I unfollow this thread, I advocate one last time for the one 100% effective and most straightforward solution. Yes, it's a time-suck, but it works, and you're DONE. 1) Create a new user, and 2) migrate all user-specific data from old user to new. The new user will not have this logout issue. Then, it's just cleanup: deleting the old user and reestablishing your preferences.

Just buckle down and do it friends! Then you can move on with your lives, as I have with mine. 🙂

Good luck everyone!

PS: If you migrate using the shared folder, see my previous posts on a) doing new user as an admin, and b) not copying top level folders in the old user's home folder (ex: the Documents folder) to the shared folder, but rather their contents. If you migrate via Time Machine backup there are google-able instructions for that out there...

Well put. I must agree with CorkPineMacAddict. I still don't know why what worked for me worked, and there has been no solution offered by Apple in all this time, which is frustrating and annoying. I think that for those who have tried all the solutions offered in this thread, some of which have worked for some of us, without success, it's time to recommend biting the bullet and migrating to a new user account. It's not a fun process but it's also not the end of the world and, if it works, it's worth a day's effort to be rid of this malfunction. You will also have a nice clean new account.

Has there been a fix for this? I'm just about to return to OS-X. Is Apple using us as guinea pigs to find the bugs in their software upgrades? I should have waited another 6 months before upgrading...

Have a look here: http://osxdaily.com/2016/09/24/troubleshooting-macos-sierra-problems/

Due to the big number of issues from Apple with hardware & software I recommend a platform switch to windows 10. I was already forced to do this for my desktop machine for 3D & video and it runs good without big issues. My laptop comes next. Only the iPad stays as I have 2 capture apps not available on Android.

Im having this problem too and I'm so glad to find that others are having the same issue, although not happy the issue exists. I have only had my iMac 27 (late 2015) 2 weeks, and I was getting frustrated believing that I had spent so much money on a faulty machine. So, at least now I know its not an individual fault, but rather a software fault with the new OS Sierra.

I hope Apple are hastily working to fix this problem. This is my first iMac after having iPhones and iPads for 5 or so years now; I decided to become a fully fledge Mac convert due to its ease of use and product quality and general superiority..... despite the greater expense lol

Has this been fixed I just recently got this problem.

This had been killing me since upgrading. I put off upgrading to Sierra on my work machine until the .1 release. Before Sierra I would rarely see a global logout when changing user but too random to track: After the upgrade I had frequent spontaneous reboots. I built a Sierra image drive and tested .1 and everything worked. It cost more than a week of deadlines.

Reset the NVRAM, checked my hard drives (4 external) and I ran 9 hours of Apple Hardware Test on the system: no issues detected. Removed recently installed apps. No change. I have the system working again by *sigh* doing a clean install and limiting my apps to the basics needed for video and system upkeep. I keep a log as I install other apps incase I see the issue return.

By clean install, I mean I erased the system and installed the 10.12.1 from the internet on the wiped drive from the recovery partition. I booted into the new system, ran it for a few hours, loaded Apple Pro Apps, ran those for hours... logging each step. No issues with rebooting or log out in 5 days of testing.

Clean installs are not a happy thing but when the situation is dire enough, it is worth a try.

Two issues (at least) have surfaced in this thread: spontaneous reboots (Mac automatically reboots) and spontaneous logout (automatically logs out).

I checked the Privacy/Advanced setting to ensure the inactivity setting was not selected but several times a week I return to the Mac in the morning to find I have been logged out.

I wonder if Apple is doing an automatic update of security settings? I don't know but that would be a "pro"-hostile action if that is the case. Large rendering operations are often put off until the evening and returning to ones system to find a log out is bothersome.

same annoying problem "are you sure you want to log out"-an unprompted logout. If i'm sitting at the MacBook I can choose "cancel" but if not i have to relog in and everything i had open and working on is closed. Waiting with others for an answer....

I'm running a 2015 15" rMBP and this has been plaguing me for weeks since upgrading to macOS Sierra. I've tried every solution under the sun including Little Snitch, removing the universal access plist, creating a new account and finally creating a fresh install of macOS from a newly formatted partition.

It still crashes to the login screen!

I've exhausted all of my options and painstakingly re-installed all of my web development tools, yet to no avail. Unless this is a software issue in macOS Sierra the only other thing it can be is a quirk in my logic board. The real mystery is that it worked fine in El Capitan, so why would a hardware issue only manifest in Sierra? I may just take this to the Genius bar to see if they'll replace the board. It crashes daily and I'm really at wits end on this matter.

Not sure if this helps anyone, but I used to have this issue (the log out on fullscreen one, not the random unpredictable logouts) along with some other issues with WIFI, so I took in my computer and got Sierra reinstalled. That seemed to fix everything until the log out issues started up again about 2 weeks later on the same day im making this post.

I however updated my Razer Synapse (gaming software for mouse/keyboard/etc) and afterwards the problem went away, I did nothing else aside from the computer restarting (had to in order to complete update)

Ill keep this thread bookmarked in case the problem rears its head again

Hi all, I'm going to test the new DisplayLink driver today and let you know if that finally fixes this problem! It just came out in the last day or so, version 3.0 Beta 1. Link

I upgraded to DisplayLink v3.0 Beta 1 but it made no difference. I never had this problem before Sierra so I am inclined not to blame DisplayLink. But it was a good idea.

Frigging Apple, GET ON IT !!!!!!!

me too. I fixed it in system preferences>security & privacy

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I'll make that change. I had Require Password "Immediately".

Do you have to reboot for the problem to go away?