# Front: Exchange Online mailboxes sync delay [office365]

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2024-11-25 08:41 UTC · Resolved: 2024-11-26 02:52 UTC · Duration: 18 h
- Updates: 6 · Affected components: O365
- [Vendor status page: https://stspg.io/gv8m0wtqpz5v](https://stspg.io/gv8m0wtqpz5v)
- [Company: Front](https://rewindex.com/company/front.md)

## Timeline of updates

- **identified** 2024-11-25 08:41 UTC: Our partner Microsoft is experiencing a service degradation affecting Exchange Online mailboxes. You can follow Microsoft Issue ID MO941162 for more details. This may cause outbound/inbound delays for customers using Office 365, as Front cannot connect to Microsoft servers.
- **identified** 2024-11-25 10:49 UTC: Microsoft is still investigating the issue; here is their latest update. \> We’re continuing to investigate recent changes, service telemetry and the failure paths to determine the root cause of impact. Source: https://portal.office.com/Adminportal/Home\#/servicehealth/:/alerts/MO941162 (You need to be an O365 admin to be able to access it)
- **identified** 2024-11-25 15:47 UTC: Microsoft is deploying a fix \> At 15:27 CET \> We’re monitoring the progress of the fix, which has been deployed to approximately 60% of the affected environments. We’re continuing our manual restarts on the remaining impacted machines. We are closely monitoring our systems for signs of recovery; however, we have not observed any significant progress at this time.
- **monitoring** 2024-11-25 20:26 UTC: Microsoft deployed a fix. Our systems are recovering. Latest update from Microsoft: \> At 20:52 CET \> We're continuing to redirect traffic and apply targeted remediation to impacted servers. \> We've observed initially positive results in some areas, and we're monitoring service health closely as our mitigation workstreams continue in parallel.
- **monitoring** 2024-11-26 00:07 UTC: Our systems have fully recovered. We are now retrying failed tasks.
- **resolved** 2024-11-26 02:52 UTC: This incident has been resolved.


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Canonical: https://rewindex.com/company/front/incidents/9ht6jk6g73bt · Markdown: https://rewindex.com/company/front/incidents/9ht6jk6g73bt.md · JSON: https://rewindex.com/api/v1/companies/front/incidents/9ht6jk6g73bt · Generated 2026-10-18T10:32:17.790Z