Outage in Microsoft 365
Some users may be unable to create, update, cancel, RSVP and forward meetings in Microsoft Teams
Resolved Minor
April 01, 2025 - Started about 2 months ago
- Lasted about 4 hours
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Outage Details
Title: Some users may be unable to create, update, cancel, RSVP and forward meetings in Microsoft Teams
User impact: Users may be unable to create, update, cancel, RSVP and forward meetings in Microsoft Teams.
More info: Affected users may also be unable to access their Exchange Online mailbox via any connection method.
Current status: We're reviewing service monitoring telemetry to isolate the source of the issue and establish a fix.
Scope of impact: Impact is specific to some users who are served through the affected infrastructure in the United Kingdom.
Next update by: Tuesday, April 1, 2025, at 10:30 AM UTC
Components affected
Microsoft 365 suiteLatest Updates ( sorted recent to last )
about 2 months ago - at 04/01/2025 10:30AM
Title: Some users may be unable to create, update, cancel, RSVP and forward meetings in Microsoft Teams
User impact: Users may be unable to create, update, cancel, RSVP and forward meetings in Microsoft Teams.
More info: Affected users may also be unable to access their Exchange Online mailbox via any connection method.
Current status: We've identified that a recent standard service update inadvertently contains a code regression, which is resulting in impact. We’re reverting the update to mitigate impact.
Scope of impact: Impact is specific to some users who are served through the affected infrastructure in the United Kingdom.
Start time: Tuesday, April 1, 2025, at 6:47 AM UTC
Root cause: A recent standard service update inadvertently contains a code regression, which is resulting in impact.
Next update by: Tuesday, April 1, 2025, at 12:30 PM UTC
about 2 months ago - at 04/01/2025 08:17AM
Title: Some users may be unable to create, update, cancel, RSVP and forward meetings in Microsoft Teams
User impact: Users may be unable to create, update, cancel, RSVP and forward meetings in Microsoft Teams.
More info: Affected users may also be unable to access their Exchange Online mailbox via any connection method.
Current status: We're reviewing service monitoring telemetry to isolate the source of the issue and establish a fix.
Scope of impact: Impact is specific to some users who are served through the affected infrastructure in the United Kingdom.
Next update by: Tuesday, April 1, 2025, at 10:30 AM UTC
source IsDown
Service outage affecting app functionality
Reports started 39 minutes before official outage was reported
Users report inability to edit flows, load apps, and connect to services like Outlook and SharePoint. Issues include data retrieval failures across multiple apps.
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