Photos stopped scanning people in MacOs sierra. About 2/3's complete. I have done everything as directed by having MacBook connected to power and app closed.

Looks familiar? 4 days in a row... and it's still there. The "People" scan took ages, but at least it progressed. This one seems stuck all the way.

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Same problem, stuck after 7259 scanned with 3494 remaining. Tried all the suggestions here with no change.

Today is Sunday Oct. 10th - Photos started scanning process Thursday Sept. 29th 10 days ago. My library is 34K+ ... it's only scanned 13,462 and stalled many times during the process. I am now stuck at 13,462 for the past 24 hours!! Things I've Tried:

• quitting app / restarting app
• minimizing photos app
• doing a restart
• shutting down completely
• not letting the machine sleep
• letting the machine sleep
• stopped my time capsule backups for now

I've been stuck at the same number for almost 10 days. It's broken and needs to be fixed by Apple. The cont only goes up if I add new photos.

Same problem here..I´ve tried every suggestion and nothing.

Same problem !! Apple I need a fix for that.

anyone find a solution yet?

Upgraded to 10.12.1, but it didn't solve the problem. Still 260 pics left from the initial upgrade to sierra, while newly added fotos were scanned right away.

I found a solution here: https://www.reddit.com/r/apple/comments/53uxmt/what_does_1012_photos_consider_no t_using_the_app/

Essentially, you simply need to plug in power, be logged on, and make sure you have quit Photos using CMD + Q (quitting Photos using the red button doesn't work).

You will then see (using Activity Monitor via Spotlight search) that the "photoanalysisd" process kick in pretty much straight away.

Note: The "not using the app" wording in the message is really unhelpful from Apple.

I tried killing all the processes, restarting my mac. Letting it work with Photos running and with Photos not running, lid closed and lid opend but I'm still stuck after several nights for each test. Doesn't scan at all.

I've tried all of the solutions proposed with no help. Surprised that Apple doesn't provide a solid app, every OS upgrade seems to causes issues with Photos.

I think I've discovered what is happening.

Photos scans to match up faces and keywords. It will not scan photos that do not have faces, or that do not have keywords entered into the Info panel.

When you identify a face with a name, it subtracts it from the scan. When you enter a new photo, it scans it automatically.

Try editing photos, identifying names and/or places, and watch the unscanned numbers decrease.

I agree - it needs to be fixed.

I tried everything but in the end it just took a lot of time (about 4 days, on and off).

Only worked when I had the Photos app open but minimized and then I clicked on something else (even just the desktop).

As has been said, Apple's wording ("when you're not using the app") is too ambiguous. They always try and make things sound as simple as possible but by doing that they leave out useful instructions. Annoys me. "It just works" hasn't been true in regards to Apple for a long time, in lots of ways, unfortunately.

I have this problem after clean install to macsierra, before this I'm using iPhoto.

Because after clean install, there is no longer iPhoto app, I have to migrate all my photo to Photos app,

Now I have the same problem, Photos only scan 5 photos only, stuck at 12k++ remaining.

I let my Mac on for 3 days, nothing happen...

Any solution to try will be appreciate

This worked for me; 20 000 photos to scan and the process stalled at about 5 000.

I noticed that the same processes were running in parallel for other users on the machine, maybe that doesn't help.