Mitigated – Customers leveraging a subset of services may experience 401 authentication errors

resolved · 16 Jun 2026, 01:42

Auto-resolved by the status page: the vendor stopped reporting this incident in their feed.

investigating · 16 Jun 2026, 01:02

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.