# Front: [office365] Delays in sending and receiving messages for some customers in [us-west-1] and [us-west-2]

- Provider: [Front](https://outages.cc/front.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-09-14 08:20 UTC
- Resolved: 2026-09-14 11:01 UTC (lasted 2 h 41 min)
- Components: O365
- Official update: https://stspg.io/cbblcrkcvf7x

## Updates from Front

### resolved, 2026-09-14 11:01 UTC

This incident has been resolved.

### monitoring, 2026-09-14 10:13 UTC

We are seeing error rates return to normal. We are continuing to monitor the health of our systems.

### investigating, 2026-09-14 09:39 UTC

We have established that channel sync error rate is <1%, but remains above our expected baseline rate. We are continuing to investigate.

### investigating, 2026-09-14 09:00 UTC

We are continuing to investigate this issue.

### investigating, 2026-09-14 08:20 UTC

We're observing some Office 365 channels experience delays in sending and receiving messages. We're currently investigating.