Is Mimecast United States Grid Down? Mimecast United States Grid Status & Outages
Mimecast status updated
What is Mimecast United States Grid status right now?
Mimecast United States Grid is having a minor outage
IsDown is reporting that Mimecast United States Grid is having issues.
IsDown last checked Mimecast United States Grid status on at . We've received 0 user reports in the past 24 hours.
Monitoring since Mar 2022
·
58 incidents caught
·
9 components tracked in real-time
Active Incident
· Started 1 day ago
Degraded SMS Delivery Performance – Canadian phone numbers
Mimecast United States Grid service health over the last 24 hours
This chart shows the number of user-reported issues for Mimecast United States Grid service health 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.
Outage Map
See where users report Mimecast United States Grid is down. The map shows recent Mimecast United States Grid outages from around the world.
United States Grid Outage Map
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Mimecast Downtime Health — Last 90 Days
In the last 90 days, Mimecast had 4 incidents with a median duration of 8 hours 12 minutes.
4
Incidents
0
Major Outages
4
Minor Incidents
8
hour
Median Resolution
Recent Mimecast United States Grid outages detected by IsDown
Full incident reports for recent Mimecast United States Grid outages, including timelines, affected components, and resolution details.
about 1 hour
Jul 22, 2025 at 11:15 PM
| Title | Started At | Duration |
|---|---|---|
|
We believe we have identified the issue affecting customers hosted on our CA grid who may be expe...
|
Mar 11, 2026 at 01:34 PM UTC
|
Ongoing |
|
We are aware of an issue where email body content is appearing as null, affecting both inbound an...
|
Feb 06, 2026 at 12:25 PM UTC
|
about 1 hour |
|
We are currently investigating an issue impacting the global availability of our Service Monitor....
|
Feb 05, 2026 at 10:19 PM UTC
|
about 13 hours |
|
Mimecast is aware of degraded service with Google directory syncs. Our team has identified the ro...
|
Jan 20, 2026 at 02:30 PM UTC
|
about 8 hours |
|
We are aware that some customers may be experiencing internet access issues while using Web Secur...
|
Dec 08, 2025 at 11:40 AM UTC
|
about 5 hours |
|
We are aware that customers may be experiencing issues accessing the Mimecast web portals. We a...
|
Oct 08, 2025 at 12:39 PM UTC
|
about 1 hour |
|
Mimecast is aware of a service disruption impacting our Mimecast Security Agent (MSA). The agen...
|
Sep 20, 2025 at 05:32 PM UTC
|
about 3 hours |
|
We are aware that customers may be experiencing issues accessing the Administration Console. We...
|
Aug 19, 2025 at 02:00 PM UTC
|
36 minutes |
|
We are aware that a small subset of customers with the account code starting with CUSA62 on our U...
|
Jul 23, 2025 at 03:15 AM UTC
|
about 1 hour |
|
We are aware that some customers hosted on our US grid may be experiencing issues logging in to...
|
Jun 18, 2025 at 07:28 PM UTC
|
about 2 hours |
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Frequently Asked Questions
Is Mimecast United States Grid down today?
Mimecast United States Grid is 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 seems to be having problems. 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?
Yes, there is an ongoing outage. You can check the details on the top of the page.
Is Mimecast United States Grid down today or just slow?
Yes, Mimecast United States Grid might be slow as there's an ongoing outage. You can check the details on the top of the page.
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 March 11, 2026 with the title "Degraded SMS Delivery Performance – Canadian phone numbers"
How often does Mimecast United States Grid go down?
IsDown has tracked 58 Mimecast United States Grid incidents since March 2022. When Mimecast United States Grid goes down, incidents typically resolve within 442 minutes.
Is Mimecast United States Grid down for everyone or just me?
Check the Mimecast United States Grid status at the top of this page. IsDown combines official status page data with user reports to show whether Mimecast United States Grid is down for everyone or if the issue is on your end.
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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