azureAzure incident history
A full searchable archive of Azure Service Health events and resolved outages.
Sourced live from the official Azure status page. How we verify.
Active now
0
Tracked incidents
10
Services affected
6
Avg resolution
8h 26m
Showing 1-10 of 10 incidents
Active -Multiple Service impacted affecting West US Regions
We are investigating an issue impacting multiple Azure services in the West US regions. Engineering teams are actively assessing the scope and working to mitigate customer impact. Further updates will be shared as they become available
Mitigated: Connectivity Issues Affecting Azure Services in Southeast Asia
We have mitigated a power-related infrastructure issue that affected a subset of Azure services in Southeast Asia. Most services have recovered and are operating normally. A remaining issue affecting a single storage stamp is being tracked separately, and impacted customers are being communicated with through a dedicated tracking process.
Mitigated: Connectivity Issues Affecting Azure Services in Southeast Asia
We have mitigated a power-related infrastructure issue that affected a subset of Azure services in Southeast Asia. Most services have recovered and are operating normally. A remaining issue affecting a single storage stamp is being tracked separately, and impacted customers are being communicated with through a dedicated tracking process.
Network connectivity – Issues accessing resources in West US
Network connectivity – Issues accessing resources in West US. Resolved - see the official Azure Post Incident Review (Tracking ID ZJV6-SGG).
Azure OpenAI Service – Latency and intermittent failures in multiple regions
Azure OpenAI Service – Latency and intermittent failures in multiple regions. Resolved - see the official Azure Post Incident Review (Tracking ID LYXT-C1Z).
Multiple services – Power/cooling issues in West US 2
Multiple services – Power/cooling issues in West US 2. Resolved - see the official Azure Post Incident Review (Tracking ID GHRP-84G).
Storage unavailability in Central US impacting Virtual Machines and dependent services
An allowlist configuration error on Azure Storage scale units made storage unavailable across an availability zone in Central US, taking down Virtual Machines and dependent services (including Microsoft 365) for many hours.
Layer-7 DDoS attacks disrupting Azure Portal and web service availability
Layer-7 DDoS attacks (attributed by Microsoft to Storm-1359) intermittently disrupted the Azure Portal, Outlook on the web, and OneDrive over several days in early June 2023; authentication and portal access failed intermittently.
Global WAN networking event impacting Azure, Microsoft 365, and connectivity
A WAN router command executed during a router addition caused packets to be forwarded incorrectly across Microsoft’s global WAN, disrupting Azure, Teams, and Outlook worldwide - worst for roughly 90 minutes, with full recovery within hours.
DNS resolution failures during planned DNS migration
During a planned DNS migration, a delegation change disrupted Azure DNS name resolution globally, breaking access to Storage, SQL Database, and Microsoft 365 services for roughly three hours.