What Happened

Azure experienced an outage on June 15, 2026. The incident lasted approximately 55 minutes.

Microsoft's cloud computing platform providing virtual machines, app services, databases, AI/ML tools, and enterprise solutions integrated with Microsoft 365.

Timeline

Time (UTC)StatusDetails
23:04InvestigatingWe are actively investigating customer alerts of 401 authentication errors when pulling images from mcr.microsoft.com. We’ve identified a potential underlying factor related to a recent update ma...
23:44InvestigatingImpact Statement: Starting at 21:45 UTC on 15 June 2026, a subset of Azure customers leveraging services which depend upon MCR (Microsoft Container Registry) for storing images may experience 401 a...
00:01InvestigatingWhat 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...
00:47ResolvedAll systems operational

Impact

The outage lasted approximately 55 minutes.

Resolution

Azure has recovered and is now operational.

What To Do Next

---

This post was automatically generated by ServiceAlert.ai's monitoring system. View live status →