Service issues › EX1477191
Potential issues accessing mailboxes via one or more connection methods
- Started
- 22 Sep 2026 23:47 UTC
- Resolved
- 23 Sep 2026 00:37 UTC
- Status
- falsePositive
- Origin
- microsoft
Timeline & resolution
23 Sep 2026 00:37 UTC · regular
Title: Potential issues accessing mailboxes via one or more connection methods
User impact: Users may experience errors or failures when accessing their mailbox via one or more Exchange Online connection methods.
Final status: The investigation is complete and we've determined the service is healthy. A service incident did not actually occur. This communication will expire in 24 hours.
This is the final update for the event.
22 Sep 2026 23:49 UTC · regular
Title: Potential issues accessing mailboxes via one or more connection methods
User impact: Users may experience errors or failures when accessing their mailbox via one or more Exchange Online connection methods.
Current status: We're investigating a potential issue and checking for impact to your organization. We'll provide an update within 60 minutes.
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