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Mux Outage History

Every past Mux outage tracked by IsDown, with detection times, duration, and resolution details.

There were 239 Mux outages since February 2020. The 46 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor May 14, 2026

May 2026: Webhook Delivery Stalled

Detected May 14, 2026 8:31 PM UTC · Resolved May 14, 2026 8:58 PM UTC · Duration 28 minutes

Mux experienced high webhook delivery latency for 28 minutes, causing delayed webhook notifications to customers. The engineering team identified and deployed a fix, resolving the delivery delays.

Minor May 7, 2026

May 2026: Elevated errors in Mux Data Historical metrics

Detected May 7, 2026 10:32 PM UTC · Resolved May 7, 2026 11:43 PM UTC · Duration about 1 hour

Mux Data experienced elevated errors in historical metrics starting at approximately 22:08 UTC, affecting users' ability to access historical data analytics. The engineering team identified the root cause and implemented a fix within about 1.2 hours. The incident was fully resolved by 23:41 UTC after monitoring confirmed the fix was successful.

Minor May 6, 2026

May 2026: Elevated rebuffering and playback failures

Detected May 6, 2026 4:36 PM UTC · Resolved May 6, 2026 6:25 PM UTC · Duration about 2 hours

Mux Video experienced elevated rebuffering rates and playback failures affecting both VOD and Live video services for 1.8 hours. The issue impacted video playback quality and reliability across the platform. The problem was identified, a fix was implemented and monitored, and the incident was fully resolved.

Minor May 5, 2026

May 2026: Elevated rebuffering and startup times for some on-demand assets and live streams

Detected May 5, 2026 6:52 PM UTC · Resolved May 5, 2026 8:55 PM UTC · Duration about 2 hours

Mux experienced elevated rebuffering and startup times affecting some on-demand video assets and live streams for 2.1 hours. The issue impacted both Mux Video VOD and Live services, causing degraded playback performance for users. The problem was identified, fixed, and resolved after monitoring confirmed the solution was effective.

Minor April 30, 2026

April 2026: Mux Data Delayed Views for EU customers

Detected Apr 30, 2026 12:22 AM UTC · Resolved Apr 30, 2026 3:37 AM UTC · Duration about 3 hours

Mux Data experienced delayed views for EU customers starting at 22:53 UTC, affecting the Data Collection component. The issue was identified and fixed, with the pipeline latency resolved and caught up by 1:50 UTC, and the incident was fully resolved after 3.3 hours.

Minor April 28, 2026

April 2026: Mux Data Pipeline Latency for EU Customers

Detected Apr 28, 2026 4:05 PM UTC · Resolved Apr 28, 2026 5:36 PM UTC · Duration about 2 hours

Mux experienced data pipeline latency affecting EU customers from 15:50-16:04 UTC, causing inaccurate monitoring data and delayed views in both Monitoring and Historical interfaces. The Mux Data - Data Collection component was impacted, but no data was lost during the incident. The issue was resolved after 1.5 hours of investigation and monitoring.

Minor April 27, 2026

April 2026: Issues downloading MP4 assets

Detected Apr 27, 2026 8:08 PM UTC · Resolved Apr 28, 2026 3:53 AM UTC · Duration about 8 hours

Mux experienced issues with MP4 asset downloads affecting a small percentage of static rendition downloads across both VOD and Live video services. The incident impacted Mux Video components for 7.8 hours before being resolved. A fix was implemented and monitored before the issue was fully resolved.

Major April 22, 2026

April 2026: Increased re-buffering and errors for some assets and live streams

Detected Apr 22, 2026 6:10 PM UTC · Resolved Apr 22, 2026 7:49 PM UTC · Duration about 2 hours

Mux experienced a major incident where users encountered increased startup times, re-buffering, and playback errors due to 429 errors affecting both live streams and video-on-demand assets. The issue impacted Mux Video's VOD and Live components for 1.7 hours before being resolved with an implemented fix.

Minor April 21, 2026

April 2026: Ingest delays for some assets

Detected Apr 21, 2026 5:36 PM UTC · Resolved Apr 22, 2026 12:06 AM UTC · Duration about 7 hours

Mux experienced processing delays affecting some video assets across both VOD and Live services for 6.5 hours. The delays impacted asset ingestion as well as the generation of static renditions, masters, and captions. The issue was identified and resolved with a fix implementation, followed by monitoring to ensure stability.

Minor April 9, 2026

April 2026: Mux Dashboard unavailable

Detected Apr 9, 2026 2:20 PM UTC · Resolved Apr 9, 2026 3:51 PM UTC · Duration about 2 hours

The Mux Dashboard at dashboard.mux.com was unavailable for 1.5 hours, displaying exceptions when users attempted to load the page. All other Mux Data and Video services remained operational during the incident. The issue was resolved after implementing a fix and monitoring its effectiveness.