Mitel incident
Elevated Error Rate on Notification Service in EU
Mitel experienced a critical incident on March 4, 2026 affecting Notifications, lasting 6h 7m. The incident has been resolved; the full update timeline is below.
Affected components
Notifications
Update timeline
- investigating Mar 04, 2026, 03:08 PM UTC
We are aware of an elevated error rate on the Notification service in EU and are currently investigating. At this time it appears to be impacting Workflow and Microsoft Teams presence sync. As of 10:41 EST we are seeing the services recover. We are continuing our investigation to identify the root cause.
- monitoring Mar 04, 2026, 05:36 PM UTC
Service has been restored, we will continue to monitor
- resolved Mar 04, 2026, 09:16 PM UTC
The issue was caused by an unexpected, rapid spike in traffic. This surge exceeded our service capacity, resulting in a temporary service disruption.