Sync Failed - Error Code 0


  • Daylite is not syncing
  • Sync indicator shows Alt text or Alt text
  • Top error in the error details section is error 0.

Why is this problem occurring

Error 0 is actually series of different errors, each with their own cause and fix. To determine the reason and steps to fix it, you need to expand on the error message. This can be done with the following:

  1. Click on the sync indicator
  2. Choose Error Details
  3. Select the disclosure triangle next to Additional Information

Error 151

See Sync Failed - Error Code 151

Error 0/106

This error message affects self-serve customers. The server is not accepting data from this Mac correctly. You can resolve the error by doing the following:

  1. Open Daylite Server Admin on the server Mac
  2. Move the On/Off Slider to the OFF position
  3. Restart the Server Mac
  4. Open Daylite Server Admin
  5. Move the On/Off Slider to the ON position
  6. Attempt to sync

If the problem persists, please submit a support ticket.

Error 0/203

This error occurs when logging in and the database fails to download correctly. Follow the steps to remove the unusable database file and download a new copy.

Warning: Removing the database file will remove all local copies on this Mac. If you have multiple databases log into these and sync with the server before performing the next steps to resolve Error 0/203.

  1. Quit Daylite and Mail
  2. Open Finder and choose Go > Go to Folder
  3. Copy/Paste then choose Go:

    ~/Library/Group Containers

  4. Locate the file called and rename it

  5. Restart your Mac
  6. Log into your database again

Error 0/102

This error affects Daylite Cloud customers when your Mac cannot connect to the server. This may mean there is a problem on the network you're on or that the Cloud is not responding. The first step to resolve this issue is try a different network. If the issue persists on a different network, or you don't have a network to try, check out the Cloud status page. If there is no issue listed contact customer support so we can get to the bottom of this.

All Other Sync Error 0

There are other less common examples of sync error 0 which require closer examination from our support team. If your issue is not listed above contact our customer support team for more help.

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