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Outage in Mitel

Elevated Error Rate on Notification Service in EU

Resolved Major
March 04, 2026 - Started about 2 months ago - Lasted about 6 hours
Official incident page

Incident Report

Summary AI Generated

Mitel's Notification service in the EU region experienced elevated error rates for 6.1 hours, impacting Workflow functionality and Microsoft Teams presence synchronization. The disruption was caused by an unexpected rapid spike in traffic that exceeded the service's capacity. The service was restored and the issue was fully resolved after continued monitoring.

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.
Components affected
Mitel Notifications

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Latest Updates ( sorted recent to last )
RESOLVED about 2 months ago - at 03/04/2026 09:16PM

The issue was caused by an unexpected, rapid spike in traffic. This surge exceeded our service capacity, resulting in a temporary service disruption.

MONITORING about 2 months ago - at 03/04/2026 05:36PM

Service has been restored, we will continue to monitor

INVESTIGATING about 2 months ago - at 03/04/2026 03:08PM

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.

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