Critical Incident: Managed Service Identity Service Disruption in US Regions
Action Required
Critical disruption to dependent services across multiple Azure workloads, potentially leading to data loss, application downtime, and significant operational impact.
AI Impact Summary
A critical incident is impacting the Managed Service Identity Service (MSI) across US regions, causing errors in token creation, update, and deletion operations for services like Azure Synapse, Databricks, and Kubernetes Service. This disruption affects a wide range of critical workloads, including data analytics, containerized applications, and AI services, representing a significant operational challenge for dependent systems. Immediate investigation and resolution are required to restore service and mitigate potential data loss or application downtime.
Affected Systems
- Date
- 3 Feb 2026
- Change type
- incident
- Severity
- critical