Mimecast experienced a minor incident on June 18, 2026 affecting United Kingdom Grid and South African Grid and 1 more component, lasting 5h 22m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jun 18, 2026, 09:51 AM UTC
We are aware that some customers hosted on our UK and DE grid may be experiencing intermittent issues accessing the Mimecast Administration Console. Our engineering team is actively investigating the issue and we will provide further updates as they become available.
- identified Jun 18, 2026, 11:08 AM UTC
We have identified the cause of the intermittent issues affecting customers hosted on our UK, DE, and ZA grids experiencing difficulty accessing the Mimecast Administration Console. Our Engineering team is actively working on implementing a fix and we will provide further updates as they become available.
- monitoring Jun 18, 2026, 11:43 AM UTC
We have implemented mitigation steps and believe we have resolved the intermittent issues affecting access to the Mimecast Administration Console for customers hosted on our UK, DE, and ZA grids. Our Engineering team is closely monitoring the situation to ensure a full resolution.