We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Firefox Sync crashed

  • 1 nzaghachinzaghachi
  • 1 nwere nsogbu anwere nsogbu a
  • 1 view
  • Nzaghachi ikpeazụ nke guigs

more options

Hi!

My Firefox popups the following error since 3 or 4 days: http://snag.gy/VDidk.jpg

It says: 'Error while syncing. Unkown error. Sync will try again.' And the link to https://services.mozilla.com/status/

The Mozilla link says Sync operates normally. My Sync do not operate normally since 4 days.

It's pretty annoying.

I did not change my computer, my password or username, I did change nothing. It worked until a week ago.

Thanks for your help!

Hi! My Firefox popups the following error since 3 or 4 days: http://snag.gy/VDidk.jpg It says: 'Error while syncing. Unkown error. Sync will try again.' And the link to https://services.mozilla.com/status/ The Mozilla link says Sync operates normally. My Sync do not operate normally since 4 days. It's pretty annoying. I did not change my computer, my password or username, I did change nothing. It worked until a week ago. Thanks for your help!

All Replies (1)

more options

HI vilmos.nagy, There were some sync issues this past week that I also experienced this morning this same error. What I did to try to fix the issue:

  1. I reset my password
  2. Then I removed the account and readded it with the new password.

So far it has been successfully syncing for the last 4 hours without error. Then I had an error: 1407179852685 Sync.Collection DEBUG mesg: POST fail 503 https://sync-30-us-west-2.sync.services.mozilla.com/1.5/4353633/storage/history

However there is a bug open for 502 errors with the "Uknown error" bug 104569, which is currently being investigated this week.

They are looking to have a better status page for sync https://bugzilla.mozilla.org/show_bug.cgi?id=1047498 yay!