Mimecast United States Grid Status. Is Mimecast United States Grid Down?

Check if Mimecast United States Grid is down, official outages, user-reported issues, and outages map.

Is Mimecast United States Grid down right now?

Mimecast status updated

Mimecast United States Grid is working normally

IsDown checked Mimecast United States Grid status on at , and appears to be operational. We've received 0 user reports in the past 24 hours. IsDown collects in real-time Mimecast United States Grid status data from official sources and user reports.

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Mimecast United States Grid service health. Issues reported in the last 24 hours

Check the number of user-reported issues over the past 24 hours, grouped into 20-minute intervals. It's normal to see occasional reports, which may be due to individual user issues rather than a broader problem. We only consider an issue widespread if there are multiple reports within a short timeframe.

Working Normally
Possible Incident
Confirmed Outage
Mimecast Outage Map

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Recent outage reports for Mimecast United States Grid

See what users are saying about Mimecast United States Grid issues that impacted them and how they are affected by the outage.

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Mimecast United States Grid outages and downtime history

IsDown has tracked 54 incidents for Mimecast United States Grid since started monitoring Mimecast status in March 2022. We collect data from 5200+ services, and normalize the data to give you a clear picture of the impact of the outage. It will show official Mimecast United States Grid outages and also issues that we're started by a spike in crowdsource reports.

Date Incident Duration
Dec 08, 2025
06:40 AM EST
Minor
Intermittent Web Security connectivity issues
We are aware that some customers may be experiencing internet access issues while using Web Secur...
about 5 hours
Oct 08, 2025
08:39 AM EDT
Minor
Mimecast web portal access issue
We are aware that customers may be experiencing issues accessing the Mimecast web portals. We a...
about 1 hour
Sep 20, 2025
01:32 PM EDT
Minor
Mimecast Security Agent Disruption
Mimecast is aware of a service disruption impacting our Mimecast Security Agent (MSA). The agen...
about 3 hours
Aug 19, 2025
10:00 AM EDT
Minor
Administration Console Inaccessible
We are aware that customers may be experiencing issues accessing the Administration Console. We...
36 minutes
Jul 22, 2025
11:15 PM EDT
Minor
Degraded service for customers with account code CUSA62*** on USGrid
We are aware that a small subset of customers with the account code starting with CUSA62 on our U...
about 1 hour
Jun 18, 2025
03:28 PM EDT
Minor
Intermittent Login Errors
We are aware that some customers hosted on our US grid may be experiencing issues logging in to...
about 2 hours
Jun 04, 2025
10:34 AM EDT
Minor
Degraded MS Teams Service
We are aware that some customers may be experiencing degraded service with Microsoft Teams. Cus...
about 6 hours
May 27, 2025
10:28 AM EDT
Minor
Mimecast My Applications Page Inaccessible
Mimecast is aware of an issue accessing the Mimecast 'My Applications' page, you may experience...
about 2 hours
May 02, 2025
06:52 AM EDT
Minor
Admin Console access
Mimecast is aware that some customers may be experiencing intermittent administrator console ac...
about 2 hours
Apr 02, 2025
12:27 PM EDT
Minor
Service Degradation - URL Protect and Mail Processing
We are aware that URL Protection is experiencing a degraded service for some customers hosted o...
about 6 hours
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Monitoring Mimecast since March 2022

United States Grid is part of Mimecast. Check the Mimecast's status.

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0 incidents in 2026

Frequently Asked Questions

Is Mimecast United States Grid down today?

Mimecast United States Grid isn't down. You can check Mimecast United States Grid status and incident details on the top of the page. IsDown continuously monitors Mimecast United States Grid official status page every few minutes. In the last 24 hours, there were 0 outages reported.

What is the current Mimecast United States Grid status?

Mimecast United States Grid is currently operational. You can check Mimecast United States Grid status and incident details on the top of the page. The status is updated in almost real-time, and you can see the latest outages and issues affecting customers.

Is there a Mimecast United States Grid outage now?

No, there is no ongoing official outage. Check on the top of the page if there are any reported problems by other users.

Is Mimecast United States Grid down today or just slow?

Currently there's no report of Mimecast United States Grid being slow. Check on the top of the page if there are any reported problems by other users.

How are Mimecast United States Grid outages detected?

IsDown monitors the Mimecast United States Grid official status page every few minutes. We also get reports from users like you. If there are enough reports about an outage, we'll show it on the top of the page.

Is Mimecast United States Grid having an outage right now?

Mimecast United States Grid last outage was on December 08, 2025 with the title "Intermittent Web Security connectivity issues"

How IsDown compares to DownDetector when monitoring Mimecast?

IsDown and DownDetector help users determine if Mimecast is having problems. The big difference is that IsDown is a status page aggregator. IsDown monitors a service's official status page to give our customers a more reliable source of information instead of just relying on reports from users. The integration allows us to provide more details about Mimecast's Outages, like incident title, description, updates, and the parts of the affected service. Additionally, users can create internal status pages and set up notifications for all their third-party services.

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