Microsoft Investigating New Exchange Online Outage Tracked as EX1464935
More Details: https://t.co/T1WFg6sYMy
Microsoft has opened an active investigation into a new Exchange Online disruption after a wave of user reports flagged access and mail-flow problems across the cloud-based email service.
The incident, logged in the Microsoft 365 admin center as EX1464935, began at 9:23 PM IST on August 31, 2026, with the company confirming at 9:25 PM IST that engineers were “investigating user reports of Exchange Online issues”.
As of the latest update, the status remains listed as “Investigating,” meaning Microsoft has not yet isolated a root cause or confirmed the scope of the disruption.
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