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Microsoft System Outage Impact and Recovery

Microsoft System Outage Impact and Recovery

Matichon•International•30m ago

Reader Briefing

A major Microsoft system outage affected over 430 million users across more than 70 countries for over 24 hours.

  • •The outage impacted services including Outlook, Teams, and Copilot across more than 70 countries.
  • •Over 430 million users were affected for more than 24 hours starting from November 12.
  • •Microsoft attributed the cause to server issues and stated there was no evidence of cyberattacks.
  • •The incident caused disruptions for government agencies, securities firms, and airlines.

Overview

  • •Reports of Microsoft service issues began increasing from 17:25 UTC on Thursday, November 12.
  • •Microsoft systems began to ease and recover on Friday, November 13, though Microsoft stated it cannot yet determine when all services will return to normal.
  • •Microsoft identified the cause as a server problem, specifically affecting functions linked to Exchange Online.
  • •Microsoft is gradually deploying software fixes to restore system stability.
  • •Downdetector recorded over 7.4 million reports globally, with peaks reaching nearly 20,000 reports per minute.
  • •The outage prevented users from sending emails, managing calendars, and holding online meetings, affecting government agencies in Australia, Japan, and the United States.
  • •Some securities firms experienced delays and some companies were unable to release financial results on schedule.
  • •Experts noted the incident serves as a reminder of the global business sector's heavy reliance on a few large technology providers.

Full article content is available on the original source.

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Key Entities

Organization

Microsoft(ไมโครซอฟท์)ℹ️
A technology company whose system outage affected Outlook, Teams, and Copilot services globally.
Ooklaℹ️
An organization that reported an increase in Microsoft service issues starting November 12.
Downdetectorℹ️
A subsidiary of Ookla that recorded over 7.4 million reports regarding Microsoft service issues.

Place

Australia(ออสเตรเลีย)ℹ️
A country where government agencies were impacted by the Microsoft outage.
Japan(ญี่ปุ่น)ℹ️
A country where government agencies were impacted by the Microsoft outage.
United States(สหรัฐอเมริกา)ℹ️
A country where government agencies were impacted by the Microsoft outage.