Microsoft restores global services for 430 million users after outage
- Microsoft confirms all products are fully operational as of Saturday.
- The outage lasted over 24 hours, impacting 430 million users globally.
- A technical fault during a network capacity upgrade caused the disruption.
- Microsoft Executive Vice-President Charles Lamanna ruled out malicious activity.
- IndiGo reported that its email support channel was affected by the outage.
Microsoft has restored all services as of Saturday morning following a global outage that lasted more than 24 hours.
The disruption, which began on Thursday and extended into Friday, impacted workplace tools including Outlook and Teams.
Global businesses, government agencies, and individual users experienced the service failure throughout the period.
Technical fault identified in network capacity upgrade
Microsoft identified the root cause as a technical fault introduced during a network capacity upgrade that emerged following a subsequent network change.
The company initially attributed the issue to elevated infrastructure load before determining that unexpected server unavailability placed excessive pressure on the remaining infrastructure.
Engineers faced recovery challenges when servers became unresponsive after traffic was redirected to them, requiring the use of alternative restoration methods.
Infrastructure was restored in stages while traffic management was adjusted to ensure stability, which slowed the overall recovery process.
Executive Vice-President Charles Lamanna denies malicious activity
Microsoft Executive Vice-President Charles Lamanna stated that there was no indication the outage resulted from malicious activity or AI agents.
The company issued an apology on X, stating, "We are deeply sorry for the disruption this incident has caused our customers and partners".
Microsoft added, "We know the trust they place in our services and take that responsibility extremely seriously".
Impact on 430 million users and Indian services
Microsoft 365, which serves more than 430 million users globally, faced significant disruptions.
In India, users reported problems starting late Thursday, with complaints rising again on Friday morning. IndiGo reported that its email support channel was affected by the outage, though the airline maintained that its other support channels remained available.
Timeline of disruption across Thursday and Friday
On November 13, 2026, users of Microsoft Teams, Outlook, and Copilot experienced a major service outage, according to the Daily Express. Galway Beo reported on the same day that Microsoft was working to resolve these global issues.
Chronicle Live also published a list of services affected by the Microsoft outage on Friday, November 13, 2026.
Internal review and future post-incident report
Microsoft has promised to release a detailed post-incident report once its internal review is complete.
Historical context of 2024 CrowdStrike incident
On July 19, 2024, the cybersecurity firm CrowdStrike released a faulty update for its Falcon Sensor security software, which caused widespread problems for Microsoft Windows computers. This update resulted in approximately 8.5 million systems crashing and failing to restart properly.
Frequently Asked Questions
- Microsoft Outage: Tech Giant Says Consumer Products Services Fully Restored (ndtvprofit.com)
- 2024 CrowdStrike-related IT outages (Wikipedia — background) (en.wikipedia.org)
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