Mimecast incident

Administration console access issue

Resolved after 5 hours 22 minutes, affecting United Kingdom Grid and South African Grid and 1 more, on June 18, 2026.

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.

Started
Jun 18, 2026, 09:51 AM UTC
Resolved
Jun 18, 2026, 03:13 PM UTC
Duration
5h 22m
Detected by Pingoru
Jun 18, 2026, 09:51 AM UTC

Affected components

United Kingdom GridSouth African GridGerman GridOffshore Grid (Offshore Grid — Administration Console)

Update timeline

  1. 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.

  2. 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.

  3. 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.

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