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Welcome to Microsoft Defender for Identity health page

Workspace Management Portal ? Operational
e-mail notifications Operational
Europe Operational
Workspace portal Operational
Detection engine Operational
Sensor API Operational
North America / Central America / Caribbean Operational
Workspace portal Operational
Detection engine Operational
Sensor API Operational
Asia Operational
Workspace Portal Operational
Detection engine Operational
Sensor API Operational
US Gov Operational
Workspace portal Operational
Detection engine Operational
Sensor API Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Past Incidents
Mar 24, 2023

No incidents reported today.

Mar 23, 2023

No incidents reported.

Mar 22, 2023

No incidents reported.

Mar 21, 2023
Resolved - This incident has been resolved.
Mar 21, 15:46 UTC
Update - We are continuing to monitor for any further issues.
Jan 23, 16:01 UTC
Monitoring - Since 14:00 UTC we no longer have backlogs, but we keep monitoring our backend infrastructure to make sure it's stable
Jan 23, 16:01 UTC
Identified - User impact: Users may encounter delays of up to several hours for activities in Microsoft Defender for Identity.

More info: Affected users may encounter the delays for activities in the User Interface (UI) and in Advanced Hunting.

Current status: We've identified that a section of infrastructure, responsible for processing activities in Microsoft Defender for Identity, is unexpectedly performing below acceptable performance thresholds which is causing delays and a backlog of activity data. We've optimized traffic and performance parameters on the affected infrastructure to mitigate impact. However, we're monitoring the accumulation of backlogged data as it drains, and expect to have a full remediation timeline by our next scheduled update.

Scope of impact: Impact is specific to users who are served through the affected infrastructure.

Root cause: Root cause: A section of infrastructure, responsible for processing activities in Microsoft Defender for Identity, is unexpectedly performing below acceptable performance thresholds which is causing delays and a backlog of activity data.

Jan 23, 14:44 UTC
Resolved - This incident has been resolved.
Mar 21, 15:46 UTC
Update - We are continuing to work on a fix for this issue.
Feb 7, 16:38 UTC
Update - A fix to 400 error should be deployed in the next few days. the fix will be part of MDI 2.168 version.
Jan 9, 11:24 UTC
Identified - Hi All,
please note we have identified an access issue to our main portal.atp.azure.com that might result to some of you with error 400 due to cookie size, the issue is under investigation and as temporary workaround we ask to please use your dedicated workspace portal URL

Dec 2, 11:57 UTC
Mar 20, 2023

No incidents reported.

Mar 19, 2023

No incidents reported.

Mar 18, 2023

No incidents reported.

Mar 17, 2023

No incidents reported.

Mar 16, 2023

No incidents reported.

Mar 15, 2023

No incidents reported.

Mar 14, 2023

No incidents reported.

Mar 13, 2023

No incidents reported.

Mar 12, 2023

No incidents reported.

Mar 11, 2023

No incidents reported.

Mar 10, 2023

No incidents reported.