Update - We are still monitoring, waiting for Microsoft to restore service fully.
We are going to stop posting updates for now, until we see the incident resolved. Our service will continue to sync as much as possible, and retry any changes that failed.
Please watch https://status.cloud.microsoft/ for updates from Microsoft on the resolution of the incident.
Nov 13, 2026 - 00:16 UTC
We are going to stop posting updates for now, until we see the incident resolved. Our service will continue to sync as much as possible, and retry any changes that failed.
Please watch https://status.cloud.microsoft/ for updates from Microsoft on the resolution of the incident.
Nov 13, 2026 - 00:16 UTC
Update - We have still seen no improvement yet.
Sync of Microsoft calendars remains degraded - about 40% of our communications to Microsoft are working, and any failed calls are being retried until they succeed.
Microsoft are reporting under issue reference EX1550543, which you can follow at https://status.cloud.microsoft
We will update this status when we see some improvement or in another 2 hours.
Nov 12, 2026 - 22:03 UTC
Sync of Microsoft calendars remains degraded - about 40% of our communications to Microsoft are working, and any failed calls are being retried until they succeed.
Microsoft are reporting under issue reference EX1550543, which you can follow at https://status.cloud.microsoft
We will update this status when we see some improvement or in another 2 hours.
Nov 12, 2026 - 22:03 UTC
Update - We are continuing to monitor the situation but have seen no improvement yet.
Microsoft are reporting under issue reference EX1550543, which you can follow at https://status.cloud.microsoft
We will update this status when we see some improvement or in 2 hours.
Nov 12, 2026 - 19:56 UTC
Microsoft are reporting under issue reference EX1550543, which you can follow at https://status.cloud.microsoft
We will update this status when we see some improvement or in 2 hours.
Nov 12, 2026 - 19:56 UTC
Update - We are continuing to monitor the situation.
Sync to Microsoft 365 calendars is degraded, so there is some delay between events appearing in calendars. Other providers are not impacted.
We will update this status when we see some improvement, or in an hour.
Nov 12, 2026 - 18:51 UTC
Sync to Microsoft 365 calendars is degraded, so there is some delay between events appearing in calendars. Other providers are not impacted.
We will update this status when we see some improvement, or in an hour.
Nov 12, 2026 - 18:51 UTC
Monitoring - This looks to be as a result of a wider outage with Microsoft's services that has been given issue reference EX1550543.
We'll continue to monitor.
Nov 12, 2026 - 18:27 UTC
We'll continue to monitor.
Nov 12, 2026 - 18:27 UTC
Investigating - We are observing Microsoft 365 calendar APIs returning higher error rates and investigating the impact. This may affect how quickly changes to calendars are observed and our ability to push events.
Nov 12, 2026 - 18:07 UTC
Nov 12, 2026 - 18:07 UTC
Identified - We've implemented an improvement to our meeting join logic which has improved our success rate, but not entirely eliminated the issue. We're continuing to make further improvements and will post updates as they release.
Nov 12, 2026 - 18:00 UTC
Nov 12, 2026 - 18:00 UTC
Investigating - We are investigating an increased failure rate in Meeting Agents joining Google Meet calls, resulting in us reporting an access_denied status for impacted cases.
Other meeting providers are unaffected.
Nov 12, 2026 - 14:57 UTC
Other meeting providers are unaffected.
Nov 12, 2026 - 14:57 UTC
Scheduler
Operational
API
Operational
Meeting Agents
Degraded Performance
Zoom
Operational
Google Meet
Degraded Performance
Microsoft Teams
Operational
Background Processing
Operational
Developer Dashboard
Operational
Major Calendar Providers
Degraded Performance
Apple
Operational
Google
Operational
Microsoft 365
Degraded Performance
Outlook.com
Operational
Conferencing Services
Operational
GoTo
Operational
Zoom
Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.