Last checked from Microsoft Defender XDR official status page 45 sec. ago
Microsoft Defender XDR Status
Is Microsoft Defender XDR down?
Microsoft Defender XDR is up
Unified security operations platform for advanced cyberattack detection and response.
Not working for you?
StatusGator last checked the status of Microsoft Defender XDR on and the service was operational. There have been no user-submitted reports of outages in the past 24 hours. The last officially acknowledged outage was on .
Microsoft Defender XDR service health
This chart represents Microsoft Defender XDR service health over the last 24 hours, with data points collected every 15 minutes based on issue reports, page visits, and signal strength. Sign up for free to see more Microsoft Defender XDR status data.
24 hrs ending
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Service up
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Possible outage
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Likely outage
Top reported issues
View and upvote the most commonly reported Microsoft Defender XDR issues to help us better indicate the service status.
- Connectivity issue
- Error message
- Server not responding
- Sign in problem
- Service down
- Slow performance
- Unable to download
- App not loading
- Other
Have a different problem with Microsoft Defender XDR?
Microsoft Defender XDR outage map
Explore our interactive Microsoft Defender XDR outage map to monitor real-time incidents and service issues across the globe. This dynamic map highlights regions around the world affected by recent Microsoft Defender XDR outages, giving you a clear view of performance and downtime trends.
Recently detected Microsoft Defender XDR outages
| Incident description | Duration | StatusGator detected | Officially acknowledged |
|---|---|---|---|
| Defender portal returns 500 error and does not load | 34m |
4m later
|
|
| Defender XDR inaccessible and monitoring unavailable | 2h 16m |
Never acknowledged
|
Incident description
Defender portal returns 500 error and does not load
Duration
34m
StatusGator detected
Officially acknowledged
4m later
Incident description
Defender XDR inaccessible and monitoring unavailable
Duration
2h 16m
StatusGator detected
Officially acknowledged
Never acknowledged
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Recent Microsoft Defender XDR outages and issues
Follow the recent outages and downtime for Microsoft Defender XDR in the table below.
If you're experiencing a problem now, check the current Microsoft Defender XDR status or
.
| Incident Name | Duration | Started | Severity |
|---|---|---|---|
|
Some users may receive false positive alerts from Microsoft Defender Antivirus for specific certificates
|
7h 50m |
Warn
|
|
|
We're investigating a potential issue affecting Microsoft 365 services
|
10h 50m |
Warn
|
|
|
Users may be unable to access the Microsoft 365 admin center and see delays when accessing other Microsoft 365 services
|
8h 45m |
Warn
|
|
|
Users may be experiencing issues with multiple Microsoft 365 services
|
2h |
Warn
|
|
|
Some users may be blocked from opening URLs in Exchange Online messages and Microsoft Teams
|
4d 20h 35m |
Warn
|
Incident name
Some users may receive false positive alerts from Microsoft Defender Antivirus for specific certificates
Duration
7h 50m
Start
Severity
Warn
Incident name
We're investigating a potential issue affecting Microsoft 365 services
Duration
10h 50m
Start
Severity
Warn
Incident name
Users may be unable to access the Microsoft 365 admin center and see delays when accessing other Microsoft 365 services
Duration
8h 45m
Start
Severity
Warn
Incident name
Users may be experiencing issues with multiple Microsoft 365 services
Duration
2h
Start
Severity
Warn
Incident name
Some users may be blocked from opening URLs in Exchange Online messages and Microsoft Teams
Duration
4d 20h 35m
Start
Severity
Warn
Get notified about Microsoft Defender XDR outages
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Get notified about Microsoft Defender XDR outages
Stay updated with instant alerts for Microsoft Defender XDR outages by signing up now!
One App that has it all
With features designed to cover all your needs for monitoring and communicating outages or downtime, StatusGator keeps your team connected and informed. Stay updated on Microsoft Defender XDR outages, potential problems, and its current status in real-time, ensuring you're always prepared to act.
Monitor Microsoft Defender XDR along with other services and websites
StatusGator monitors over 8,130 cloud services, hosted applications, and websites. Just add what you need to the list, and we'll automatically aggregate their statuses into a single page. You'll receive notifications for any issues affecting you and your page subscribers.
Get notified on Microsoft Defender XDR status change
StatusGator monitors all of your services and websites and sends your team instant notifications when they go down. Stay abreast of issues that affect your team with notifications: in email, Slack, Teams, or wherever your team communicates.
Show Microsoft Defender XDR on your status page
Easily notify your end-users of outages using a customizable status page. Display cloud services or websites, as well as any custom monitors you add manually. Create multiple status pages tailored to different needs, customize them, and embed them for maximum effectiveness.
Users who monitor Microsoft Defender XDR status also follow these services
About our Microsoft Defender XDR status page integration
Microsoft Defender XDR (Unified security operations platform for advanced cyberattack detection and response) is a a Security, Monitoring, and IT solution that StatusGator has been monitoring since April 2025. Over the past about 1 year, we have collected data on on more than 11 outages that affected Microsoft Defender XDR users. When Microsoft Defender XDR publishes downtime on their status page, they do so using 3 different statuses: up, warn, and down which we use to provide granular uptime metrics and notifications.
If you're wondering, "Is Microsoft Defender XDR down?", or need to know its current status, we've got you covered. Our platform tracks every reported outage, performance issue, and maintenance window to ensure you're informed. Whether Microsoft Defender XDR is experiencing a problem now or has recently resolved one, our detailed history keeps you updated.
More than 100 StatusGator users monitor Microsoft Defender XDR to get notified when it's down or has an outage. We've sent more than 300 notifications to our users about Microsoft Defender XDR incidents, providing transparency and peace of mind. You can get alerts by signing up for a free StatusGator account.
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Early Warning Signals
If we detect a potential Microsoft Defender XDR outage or other issue before it was reported on the official status page we will send an Early Warning Signal notification to StatusGator subscribers. We can often detect issues before they are officially acknowledged by the provider, giving you a head start on resolving any potential problems.
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Down Notifications
If Microsoft Defender XDR is having system outages or experiencing other critical issues, red down notifications appear on the status page. In most cases, it means that core functions are not working properly, or there is some other serious customer-impacting event underway.
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Warning Notifications
Warn notifications are used when Microsoft Defender XDR is undergoing a non-critical issue like minor service issues, performance degradation, non-core bugs, capacity issues, or problems affecting a small number of users.
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Maintenance Notifications
Microsoft Defender XDR does not post separate notifications for planned maintenance work so we are unable to send notifications when maintenance windows begin. If you need Microsoft Defender XDR maintenance notifications, please email us.
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Status Messages
When Microsoft Defender XDR posts issues on their status page, we collect the main headline message and include that brief information or overview in notifications to StatusGator subscribers.
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Status Details
When Microsoft Defender XDR has outages or other service-impacting events on their status page, we pull down the detailed informational updates and include them in notifications. These messages often include the current details about how the problem is being mitigated, or when the next update will occur.
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Component Status Filtering
At this time, we do not gather individual component data from the Microsoft Defender XDR status page. If you need this capability, please be sure to reach out.
Get notified about Microsoft Defender XDR outages
Stay updated with instant alerts for Microsoft Defender XDR outages by signing up now!
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Frequently asked questions
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