Photos not syncing

I am using Photos 2.0 (451.20.9) on macOS Sierra 10.12.1 (16B2555) and new Photos are not downloaded. This only happens on one machine (pictures on are OK, as well as on a second Sierra machine and two iOS devices).

I tried

  • to repair the Photos library (by pressing command+option after starting it
  • disabling Photos in the iCloud settings (with the warning that everything will be deleted) and re-enabling it

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The Photos settings just show that it is uploading (?) but nothing happens

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Same result: I get my pictures up to one month ago.

Photos shows

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but nothing happens (even after a couple of days and reboots).

Any idea on how to force a sync?


First, confirm that My Photo Stream is enabled on your Mac by going to the Photos app, then Photos > Preferences in the menu bar. Click the iCloud tab and ensure the My Photo Stream box is checked. Second, confirm the same on your iPhone or iPad by going to Settings > iCloud > Photos. The My Photo Stream option should be turned on there. If both of these are already set correctly, follow the steps below:

  1. On your Mac, quit the Photos app.
  2. Launch the Activity Monitor app, which is located under Utilities in the Applications folder.
  3. In Activity Monitor, search for “photos” in the upper-right to filter through the list of running processes.
  4. There should be a few rows left on the screen. For “Photos Agent” and each of the ones starting with “” click on the row to select it, and then click the X icon in the upper-left.
  5. A confirmation message will appear. Click “Force Quit” to end the process.
  6. Once all of the processes mentioned in step 4 are gone, you can quit Activity Monitor.
  7. Open the Photos app again and, after a few moments, all of your latest photos should start importing from My Photo Stream.

From My Photo Stream not updating in Mac Photos app

Source : Link , Question Author : Matteo , Answer Author : norcal johnny

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