Incident in Mimecast
about 2 months ago

US Grid Service Disruption

Resolved Minor
We are aware that some 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
United States Grid
Updates ( sorted recent to last )
at 05/03/2022 12:13PM

We are aware that some 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.

at 05/03/2022 12:31PM

Mimecast is aware that some customers hosted on our North American grid may be experiencing issues with access to the Mimecast Administration Console, End User Applications, as well as delayed resolution of re-written URLs and/or mail flow delays. We are currently investigating. Further updates will continue to be posted here.

at 05/03/2022 12:49PM

We believe we have identified the issue and are taking steps to mitigate this behavior. Customers should start to see improved performance and application accessibility. Further updates will continue to be posted here.

at 05/03/2022 01:19PM

Following the earlier update, our mitigation is continuing and most customers hosted on our US grid should start seeing a return to normal service. Thank you for your patience, further updates will be posted here

at 05/03/2022 02:29PM

We are continuing to mitigate the issue faced by some customers hosted on our US grid. We are aware customers are still facing delays to our services as we work to remediate the issue. We apologize for the disruption caused and appreciate your patience. We will post further updates as soon as they become available.

at 05/03/2022 03:03PM

We are seeing an improvement in service availability and stability. We are still seeing a reduced service as we work to mitigate these remaining issues. We apologize for the disruption caused and appreciate your patience. We will post further updates as soon as they become available.

at 05/03/2022 03:58PM

We can confirm we experienced a major power outage in one of our US data centers that impacted all power supply sources, including the backup generators, which in turn caused a cascading issue and resulted in degraded performance. Midway through our Disaster Recovery Process, the power was restored which complicated our ability to recover. As of now, services are available and we are processing email but customers may still experience delays until the backlog clears. We sincerely apologize for the extended outage and the disruption caused.

at 05/03/2022 04:28PM

We can confirm that email processing and all Mimecast services have been restored for our US-hosted customers. All services should now be functioning normally and processing queues are approaching normal levels as email is retried on the normal SMTP schedules. We continue to monitor and will provide updates here.

at 05/03/2022 05:54PM

We are aware that some customers may still be experiencing continued service degradation and mail flow delays. We are currently investigating and will provide updates here.

at 05/03/2022 07:06PM

We are continuing to investigate reports of service degradation and mail flow delays impacting some of our US-hosted customers. We will post further updates here as they become available.

at 05/03/2022 07:50PM

While we continue to see an improvement on both mail flow and service availability and work to clear the backlog we are still investigating reports of service degradation and mail flow delays impacting some of our US-hosted customers. We will post further updates here as they become available.

at 05/03/2022 08:24PM

Recovery is continuing for the incident affecting some US-hosted customers, but there may be some delays in mail flow as the backlog clears. We will continue to closely monitor application availability and performance and will provide an additional update when all services are functioning normally.

at 05/03/2022 09:09PM

We believe we have identified the root cause of the issue affecting mail flow and service availability on the North American grid. Recovery is continuing, but there may be some delays in mail flow as the backlog clears. We will continue to closely monitor application availability and performance and will provide an additional update when all services are functioning normally.

at 05/03/2022 10:26PM

Recovery is continuing for the incident affecting customers on our US Gird, please expect slight delays in mail flow processing as the backlog clears. We will continue to closely monitor application availability and performance and will provide additional updates here.

at 05/03/2022 10:58PM

We have identified the root cause of the issue affecting mail flow and service availability on the North American grid. Customers may still experience some delays in mail flow as the backlog continues to clear. We will closely monitor application availability and performance and will provide an additional update when all services are functioning normally.

at 05/03/2022 11:31PM

We have identified the root cause of the issue affecting mail flow and service availability on the North American grid. While we continue to see steady improvement, some customers may still experience delays in mail flow as the backlog clears. We will closely monitor application availability and performance and will provide an additional update when all services are functioning normally.

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