Microsoft 365 outage disrupts Outlook, Teams and Copilot worldwide
Original title: Massive Microsoft 365 outage disrupts Outlook, Teams, Copilot worldwide
Advisory MO1550821 began at 1:26 PM ET after servers became unavailable; Microsoft has not restored service.
Microsoft is investigating a widespread Microsoft 365 outage that can block connections to Exchange Online, Teams, SharePoint Online, Microsoft 365 Copilot, and Microsoft Defender XDR. Downdetector complaints also covered Outlook, Azure, OneDrive, and the Microsoft Store. Microsoft first blamed elevated load, then said servers had unexpectedly become unavailable and strained remaining infrastructure. Users in any region may be affected. An earlier Teams incident, TM1550488, was resolved and has not been linked to this outage.
Unconfirmed: Microsoft has not indicated whether the Teams incident and the broader outage are related.
- The ongoing incident is tracked as MO1550821 in the Microsoft 365 admin center.
- Microsoft paused deployments, shifted traffic, and is restarting affected servers.
- The earlier Teams outage ran from 9:45 AM to 10:53 AM ET and is resolved.
- Microsoft has not said whether the two Thursday incidents are related.
- Vendors
- Microsoft
From the original article
2 min read at bleepingcomputer.com
Microsoft is investigating a widespread outage affecting multiple Microsoft 365 services, including Outlook, Microsoft Teams, and Copilot, as users report connectivity problems worldwide. [...]
By Lawrence Abrams · bleepingcomputer.com
A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.