Mimecast incident
Degraded Service – Administration Console Authentication issue
Resolved after 1 hour 39 minutes, affecting United States Grid and United States B Grid and 1 more, on August 24, 2026.
We have taken mitigation steps and believe we have resolved the issue causing login failures and disruption to Administration Console for some customers across multiple regions. Our Engineering team is closely monitoring the situation as services continue to stabilize and return to normal levels. We will provide further updates here.
Affected components
Update timeline
- identified Aug 24, 2026, 03:08 PM UTC
We have identified the cause of authentication issues affecting the Administration Console for some customers globally. Email flow and other services are not impacted. Our teams are actively working on a resolution, and further updates will be posted here as they become available.
- identified Aug 24, 2026, 03:09 PM UTC
We have identified the cause of authentication issues affecting the Administration Console for some customers. Expect to see intermittent failures and high latency. Email flow and other services are not impacted. Our teams are actively working on a resolution, and further updates will be posted here as they become available.
- monitoring Aug 24, 2026, 03:18 PM UTC
We have taken mitigation steps and believe we have resolved the issue causing login failures and disruption to Administration Console for some customers across multiple regions. Our Engineering team is closely monitoring the situation as services continue to stabilize and return to normal levels. We will provide further updates here.
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