Azure incident
Mitigated – Customers leveraging a subset of services may experience 401 authentication errors
Azure experienced a minor incident on June 16, 2026, lasting —. The incident has been resolved; the full update timeline is below.
Update timeline
- resolved Jun 16, 2026, 12:01 AM UTC
What happened?Between 21:45 UTC and 23:23 UTC on 15 June 2026, Azure customers leveraging services which depend upon Microsoft Artifact Registry (MAR) may have experienced 401 authentication errors when attempting to pull images from MAR . This incident is now mitigated. Further details will be provided directly to impacted customers through the Azure Portal.