Microsoft 365 outage worsens: Exchange Online fixes "not taking as expected"
Kyrannio · x · 2026-11-13
A sustained Microsoft 365 outage worsened: per the 9:54 PM ET bulletin (EX1550543), earlier fixes are "not taking as expected," and Microsoft is identifying alternate workstreams to counter sustained traffic management imbalances. Exchange Online remains degraded — users may be unable to reach mailboxes via Outlook on the web, desktop (MAPI), ActiveSync, or REST. Next update due by 11 PM ET. Commenters quip the incident puts the dev team's jobs at risk.
Related event: Microsoft 365 and Outlook suffer major global outage(33 posts)→
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