Resolved after 2 hours 1 minute, affecting Microsoft 365, on January 22, 2026.
Between 22:00 and 01:15 UTC we saw elevated error rates when performing sync operations with Microsoft 365. Microsoft continues to work on a full resolution to the incident with ID MO1221364. However, the error rates we are now observing are back to normal levels.
Affected components
Update timeline
- investigating Jan 22, 2026, 11:18 PM UTC
We are currently investigating degraded sync performance for Microsoft 365 as we are experiencing a much higher error rate than normal.
- monitoring Jan 22, 2026, 11:28 PM UTC
We believe this is related to a Microsoft incident (ID: MO1221364). We are keeping a close eye on how this progresses
- monitoring Jan 23, 2026, 12:01 AM UTC
We are continuing to monitor the situation, but have not seen any improvement so far
- resolved Jan 23, 2026, 01:19 AM UTC
Between 22:00 and 01:15 UTC we saw elevated error rates when performing sync operations with Microsoft 365. Microsoft continues to work on a full resolution to the incident with ID MO1221364. However, the error rates we are now observing are back to normal levels.
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