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

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

Is Mimecast United States B Grid down right now?

Mimecast status updated

Mimecast United States B Grid is working normally

IsDown checked Mimecast United States B 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 B Grid status data from official sources and user reports.

Mimecast United States B Grid not working for you?

Be the first to know when Mimecast or other vendors are down

Create one dashboard to track the status of Mimecast and all your vendors. Get outage alerts via Slack, Teams, Datadog, PagerDuty and more.

Monitor Mimecast outages

Join 1,000+ teams monitoring their stack with IsDown.

Mimecast United States B 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

View Mimecast Reports Map

Recent outage reports for Mimecast United States B Grid

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

No comments yet

Mimecast United States B Grid outages and downtime history

IsDown has tracked 35 incidents for Mimecast United States B 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 B Grid outages and also issues that we're started by a spike in crowdsource reports.

Date Incident Duration
Dec 08, 2025
11:40 AM UTC
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
Sep 20, 2025
05:32 PM UTC
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
02:00 PM UTC
Minor
Administration Console Inaccessible
We are aware that customers may be experiencing issues accessing the Administration Console. We...
36 minutes
Jun 04, 2025
02:34 PM UTC
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
02:28 PM UTC
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 14, 2025
11:43 AM UTC
Minor
Degraded service on USB Grid - Human Risk Dashboard
We are aware that Engage customers hosted on our USB grid are experiencing a degraded service s...
about 2 hours
Apr 02, 2025
02:07 PM UTC
Minor
Awareness Training Login-Free Disrupted
We are aware of a service disruption impacting a subset of Awareness Training customers using L...
about 24 hours
Mar 14, 2025
08:34 PM UTC
Minor
Erroneous Alerting for Continuity Monitor Service
Mimecast is aware some customers may be experiencing false, repetitive, Continuity Monitor aler...
about 2 hours
Mar 14, 2025
12:58 PM UTC
Minor
Intermittent Availability of the CyberGraph and Analysis & Response Dashboards
We are aware some customers may be experiencing an issue loading all or parts of CyberGraph and...
24 minutes
Mar 11, 2025
12:28 PM UTC
Minor
Decryption Portal issue
We are aware customers may be experiencing issues when attempting to download a decrypted Offic...
about 6 hours
Sign up to check more outage history

Be the first to know when Mimecast United States B Grid goes down

One place to monitor all your cloud vendors. Get instant alerts when an outage is detected.

Start Free Trial

United States B Grid is a component of Mimecast that provides secure and resilient email management and security services specifically for customers in the United States.

Monitoring Mimecast since March 2022

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

Need help? Try here:
Reach out in social media at X account.
Support at website.
Check their status page.

0 incidents in 2026

Frequently Asked Questions

Is Mimecast United States B Grid down today?

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

What is the current Mimecast United States B Grid status?

Mimecast United States B Grid is currently operational. You can check Mimecast United States B 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 B 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 B Grid down today or just slow?

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

How are Mimecast United States B Grid outages detected?

IsDown monitors the Mimecast United States B 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 B Grid having an outage right now?

Mimecast United States B 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.

Ready to monitor Mimecast United States B Grid and all your external dependencies?

Start Monitoring in 5 minutes

14-day free trial · No credit card required · No code required