Outage in Mimecast
Degraded performance on US grid
Resolved Minor
June 05, 2026 - Started 4 days ago
- Lasted about 5 hours
Incident Report
Summary AI Generated
Mimecast experienced degraded performance affecting a small subset of customers hosted on their US grid for 4.7 hours. The issue was identified and mitigation steps were implemented to restore service. Customers saw improved performance as the resolution progressed.
We are aware that a small subset of customers hosted on our US grid may be experiencing a degraded service. We are currently investigating the issue and updates will be posted here as they become available.
Components affected
Mimecast United States GridTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
4 days ago - at 06/06/2026 03:41AM
We are aware that a small subset of customers hosted on our US grid may be experiencing a degraded service. We are currently investigating the issue and updates will be posted here as they become available.
4 days ago - at 06/06/2026 05:04AM
We believe we have identified the issue affecting a small subset of US-hosted customers and are working to resolve it. We will provide further updates as they become available.
4 days ago - at 06/06/2026 05:54AM
We have taken mitigation steps and continue to see improved services for previously impacted customers hosted on our US grid. We are continuing our resolution and further updates will be posted here.
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