Mitel Outage History

There were 3 Mitel outages since March 4, 2026 totaling 100h 6m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.mitel.io

Critical March 24, 2026

CloudLink Daemon Service Disruption for MCX/MiCC

Detected by Pingoru: Mar 24, 2026, 09:23 AM UTC
Resolved: Mar 25, 2026, 11:30 AM UTC
Duration: 1d 2h

Affected: Tunnel

Timeline · 5 updates

investigating Mar 24, 2026, 09:23 AM UTC

We are currently experiencing an issue where the CloudLink Daemon service is down for MCX/MiCC. Our engineering team has been engaged and is actively investigating it.
identified Mar 24, 2026, 10:23 AM UTC

Mitel Cloudlink Daemon has been rolled back to version 1.8.66+139. Please start Mitel Cloudlink Daemon service in the affected MiCC-B/MCX.
monitoring Mar 24, 2026, 10:32 AM UTC

A fix has been implemented and we are monitoring the results.
monitoring Mar 24, 2026, 01:22 PM UTC

We are continuing to monitor for any further issues.
resolved Mar 25, 2026, 11:30 AM UTC

Root cause: The update on March 23/24 wasn’t successful and left the Windows service “Mitel CloudLink Daemon” on MiCC-B systems in a stopped state.

Read the full incident report →

Critical March 20, 2026

Issue with Tunnel service causing connection errors

Detected by Pingoru: Mar 20, 2026, 05:39 PM UTC
Resolved: Mar 23, 2026, 01:30 PM UTC
Duration: 2d 19h

Affected: Tunnel

Timeline · 4 updates

investigating Mar 20, 2026, 05:39 PM UTC

We are aware of issues in the Tunnel service and are currently investigating.
identified Mar 20, 2026, 07:50 PM UTC

The root cause has been identified, and our team is actively working on a resolution.
monitoring Mar 20, 2026, 10:09 PM UTC

The service has been restored and we will continue to monitor.
resolved Mar 23, 2026, 01:30 PM UTC

We experienced a temporary capacity issue that affected service availability during periods of high demand. The issue has been resolved, and additional safeguards have been put in place to prevent recurrence.

Read the full incident report →

Critical March 4, 2026

Elevated Error Rate on Notification Service in EU

Detected by Pingoru: Mar 04, 2026, 03:08 PM UTC
Resolved: Mar 04, 2026, 09:16 PM UTC
Duration: 6h 7m

Affected: Notifications

Timeline · 3 updates

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.

Read the full incident report →

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