Microsoft's Global Outage Restored After 36 Hours
Microsoft's global outage was restored after approximately 36 hours. Access to email, video conferencing, and AI services was blocked worldwide, disrupting operations in key industries including finance, aviation, and healthcare. According to the industry on the 15th, Microsoft announced that its major business services, including Outlook and Teams, were fully restored as of 6 a.m. on the 14th. Microsoft explained through its official X account that it had "completed measures to resolve the root cause of the incident and restored service to the remaining affected customers and regions."
The outage began in earnest at 5:25 p.m. on the 12th. According to Down Detector, a global service outage tracking site, reports from more than 70 countries worldwide exceeded 7.4 million. Reports surged to as many as 20,000 per minute, more than 1,500 times the usual level, marking a record-breaking, prolonged service disruption.
The damage extended beyond general office work to financial transactions and public services. In the United Kingdom, the National Health Service (NHS) and London's Metropolitan Police were affected, and Euronext, the operator of the European stock exchange, experienced email disruptions. Danish shipping company Maersk notified customers that the provision of customer information could be delayed, and Indian airlines also faced disruptions in customer support via email. Fund management operations at Taiwanese securities firms, insurers, and investment trust companies were affected, leading some financial institutions to cancel bond repurchase transactions, while others resorted to fax machines to confirm trades.
Corporate earnings announcement schedules were also adjusted. Workhorse Group, a U.S. electric truck manufacturer, postponed its earnings announcement scheduled for the 12th to the 16th, and Swiss luxury goods company Richemont also delayed its first-half earnings announcement set for the 13th.
The string of outages has also raised concerns about the reliability of Microsoft's cloud and business software. Microsoft experienced MS365 service disruptions in January of this year and October of last year, and last month an outage of its core cloud platform Azure affected service operations across multiple industries. Luke Kehoe, principal industry analyst at Ookla, the operator of Down Detector, said, "This incident demonstrates how much work is done through a single provider's email and collaboration tools." Jason Ader, an analyst at William Blair, predicted that since the cost of replacing existing business systems is substantial, Microsoft's competitive position would not change significantly in the short term, and the possibility of immediate customer attrition would be limited.
