Mozilla had 8 outages in the last 2 years totaling 13h 3m of downtime — averaging 0.3 incidents per month.
There were 8 Mozilla outages since November 19, 2024 totaling 13h 3m of downtime. Each is summarised below — incident details, duration, and resolution information.
Sep 24 , 18:27 UTC Completed - The scheduled maintenance has been completed. Sep 24 , 18:12 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Sep 24 , 18:11 UTC Scheduled - Firefox Relay is undergoing database maintenance. All service should be operational. We're actively monitoring.
We are currently investigating an issue with phone masking.
We are continuing to investigate this issue.
Sep 19 , 19:56 UTC Resolved - This incident has been resolved. Sep 19 , 17:15 UTC Update - We are continuing to investigate this issue. Sep 19 , 17:14 UTC Investigating - We are currently investigating an issue with phone masking.
This incident has been resolved.
May 20 , 15:02 UTC Completed - The scheduled maintenance has been completed. May 20 , 14:40 UTC Verifying - Verification is currently underway for the maintenance items. May 20 , 14:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. May 15 , 20:39 UTC Scheduled - Mozilla Monitor website will be down for maintenance for 2 hours starting 5/20/2025 at 6 AM PT. During this time, the site will be unavailable.
We are currently investigating this issue.
Jan 15 , 22:22 UTC Resolved - This incident has been resolved. Jan 15 , 19:42 UTC Investigating - We are currently investigating this issue.
This incident has been resolved.
We are currently experiencing issues affecting the following services: Receiving phone calls Receiving text messages Replying to text messages Our team is actively investigating the issue to restore these services as quickly as possible. We apologize for any inconvenience and appreciate your patience. Please check back here for updates.
Jan 2 , 20:26 UTC Resolved - This incident has been resolved. Jan 2 , 16:42 UTC Investigating - We are currently experiencing issues affecting the following services: Receiving phone calls Receiving text messages Replying to text messages Our team is actively investigating the issue to restore these services as quickly as possible. We apologize for any inconvenience and appreciate your patience. Please check back here for updates.
This incident has been resolved.
Dec 19 , 18:30 UTC Completed - The scheduled maintenance has been completed. Dec 19 , 18:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Dec 18 , 19:57 UTC Scheduled - We will be undergoing scheduled maintenance at this time.
We are currently investigating the issue.
Dec 4 , 20:53 UTC Resolved - This incident has been resolved. Dec 4 , 20:34 UTC Investigating - We are currently investigating the issue.
This incident has been resolved.
We are currently monitoring an issue where some Mozilla VPN users are unable to access their subscriptions after signing in. Initial findings suggest the issue may be related to a recent update. We have rolled back the update and are monitoring its impact. Some users may still experience issues even after logging out and back in. Our teams are actively working on a resolution. We recommend affected users attempt logging out and back in as a potential workaround.
We are continuing to work on a fix for this issue.
Nov 19 , 23:22 UTC Resolved - This issue should now be resolved for the majority of customers. If you are still experiencing issues, please contact Mozilla Support for assistance. Nov 19 , 19:44 UTC Update - We are continuing to work on a fix for this issue. Nov 19 , 19:44 UTC Identified - We are currently monitoring an issue where some Mozilla VPN users are unable to access their subscriptions after signing in. Initial findings suggest the issue may be related to a recent update. We have rolled back the update and are monitoring its impact. Some users may still experience issues even after logging out and back in. Our teams are actively working on a resolution. We recommend affected users attempt logging out and back in as a potential workaround.
This issue should now be resolved for the majority of customers. If you are still experiencing issues, please contact Mozilla Support for assistance.