Microsoft Azure experienced a widespread service outage between October 29, 2025, 15:45 UTC and October 30, 2025, 00:05 UTC, caused by a DNS failure in the Azure Front Door (AFD) service, a key content delivery and routing system. This outage led to latencies, timeouts, and errors affecting many Azure services and dependent systems including Microsoft 365, Outlook, Xbox Live, and Microsoft Copilot, among others. The root cause was traced to an accidental configuration change and a software defect that bypassed safety validation mechanisms during deployment.
Microsoft deployed a rollback to a previous stable configuration and took actions including blocking customer configuration changes temporarily to restore services. By now, the vast majority of services have been restored to pre-incident levels, but a small number of customers may still experience some residual issues during ongoing mitigation.
Key affected Azure services included App Service, Azure Active Directory B2C, Azure Communication Services, Azure Databricks, Azure Maps, Azure SQL Database, and many Microsoft security and compliance services. The outage also impacted Microsoft 365 apps like Teams, Outlook, OneDrive, and services like Minecraft and Xbox.
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