Azure outage on June 15, 2026
Azure users likely saw failed connections, degraded availability, or session instability for this Cloud service. The incident reached Minor severity and lasted 2h 56m. The stored report window does not show a preserved user-report spike.
We 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 made to a backed service and we are actively working on determining mitigation workstreams. More information will be provided shortly.
Deterministic readout · awaiting AI summary pass
Incident detected
Minor confidence crossed the incident threshold for Azure: investigating a spike in 401 authentication errors.
Marked resolved
The incident was closed after 2h 56m of observed impact.
No per-source signal payloads were preserved in this incident's snapshot window.
Confidence scoring
45.00The incident reached 45.00 peak confidence across available stored status snapshots.
User reports
0 / 15mNo elevated user-report volume was preserved in the incident window snapshots.
Status samples
0 affectedThe incident row exists, but the bounded snapshot window does not include affected status samples.
Recovery signal
ResolvedRecovery was recorded at Tue, Jun 16, 2026, 02:00 AM UTC.