Microsoft 365 outage blocks Outlook and Exchange Online in the Americas
Original title: Major Microsoft Outlook Outage Leaves People With Email Jobs Unable to Email
Microsoft says servers failed health checks and went offline, with no indication of a cyberattack.
Microsoft 365 business and enterprise services suffered a major outage on Thursday that blocked account access, especially in the Americas. Microsoft first cited Teams problems in North America, then Exchange Online mailbox failures, and later said servers failed automated health checks. It paused deployments, moved traffic off affected infrastructure, and restarted servers. Impacted services may include Exchange Online, Teams, SharePoint Online, Copilot 365, and Defender XDR.
Unconfirmed: The cause of the server failures and when service would be fully restored were not stated.
- Teams issues in North America were reported around 10:40 am ET.
- Exchange Online access problems in the Americas were acknowledged before 1 pm ET.
- Downdetector reports began falling around 1:15 pm ET after a noon spike.
- Microsoft said it had paused all deployments and was restarting affected servers.
- Vendors
- Microsoft
From the original article
2 min read at wired.com.gif&w=1280&q=75)
Microsoft says its systems are experiencing “elevated loads” as the company races to end an outage impacting its business and enterprise customers.
By Andrew Couts · wired.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.