Microsoft reveals cause of global service disruption

On November 13, 2026, Microsoft disclosed the cause of a global service disruption, attributing it to a technical issue stemming from a recent network capacity upgrade. The company clarified that the problem, which impacted its services, was not the result of a cyberattack or AI and autonomous agents issues. Microsoft's statement on Friday revealed that the disruption emerged due to a previously undetected problem introduced during an earlier network upgrade.

The technology giant expressed deep regret over the inconvenience caused to customers and partners, emphasizing the company's commitment to maintaining trust in its services. Microsoft acknowledged the severity of the situation and reassured that it had addressed the underlying technical problem. The company began restoring services gradually due to the scale of demand, performing stability checks at each stage to ensure a smooth transition.

Despite the extended restoration process, Microsoft reported significant progress in recovering and stabilizing its platforms. However, it acknowledged that certain customers and regions were still experiencing difficulties in full service restoration. The company did not specify a timeline for the complete restoration but assured that efforts were ongoing.

Microsoft vowed to publish a comprehensive post-incident report following an internal review, detailing the incident's root cause, the role of network changes in the disruption, and the steps taken to prevent future occurrences.