Microsoft’s cloud backbone suffered a major outage on October 29, 2025, taking down large swaths of services across the company’s own product portfolio — including Microsoft 365, Xbox Live and Minecraft — and triggering cascading failures at airlines, retailers, banks and other businesses that rely on Azure infrastructure.
Background / Overview
The disruption began on October 29, 2025, when Azure customers worldwide started to see latencies, timeouts and failures tied to the Azure Front Door...