Microsoft outage disrupts global services for over 22 hours
A critical Microsoft outage affecting Microsoft 365 services lasted more than 22 hours and impacted users across more than 70 countries.
Technical failure causes widespread disruption
The disruption began when routine automated checks took some servers offline. This action overloaded the remaining servers with traffic from millions of users. Engineers gradually restored services over nearly a full day to ensure stability. Microsoft confirmed the issue was a technical failure rather than a cyber-attack.
Impact on businesses and governments
Around 430 million people globally use Microsoft 365 when issues were reported worldwide. The outage knocked out email systems for the US House of Representatives. Australian intelligence agencies also faced disruption alongside court systems in Singapore. Airline support desks in India were unable to function during the incident.
Experts warn of future risks
Flora Hamilton from the Small Business Charter noted that access to email is fundamental for SMEs. Walter Pasquarelli stated that AI assistants plugged into email may spread failures further. Gergely Orosz suggested splitting services per region could reduce impact in the future. Microsoft is currently reviewing what went wrong to prevent similar disruptions.
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