Service issues › EX1477191

Potential issues accessing mailboxes via one or more connection methods

Resolved Exchange Online OWA - problem connecting advisory
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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