# Mux: Major incident: We are investigating an issue causing increased error rates for video ingest and playback for assets and live streams

**Summary:** Mux reported a major incident causing increased video ingest and playback errors for assets and live streams on Mux Video - Live and Mux Video - VOD. It started at 2025-09-22 14:54 UTC and was resolved at 2025-09-22 16:38 UTC, lasting 1 h 43 min; error rates had returned to normal by 15:25 UTC. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-09-22 14:54 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/mjxwvjg432tr](https://stspg.io/mjxwvjg432tr)
- [Company: Mux](https://rewindex.com/company/mux.md)
- Versions: before (none: first archived) → after incident\_version:197/ftzysyg37s73@29e9486d2388
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ We are investigating an issue causing increased error rates for video ingest and playback for assets and live streams
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-09-22 14:54 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-09-22 16:38 UTC
```

**6. Added: Affected components**

```diff
+ Mux Video - Live, Mux Video - VOD
```

**7. Added: Update** (investigating) · 2025-09-22 14:54 UTC

```diff
+ The Mux engineering team are investigating.
```

**8. Added: Update** (monitoring) · 2025-09-22 15:25 UTC

```diff
+ Error rates have returned to normal, and the team are continuing to investigate and address the root cause of this error spike.
```

**9. Added: Update** (resolved) · 2025-09-22 16:38 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-09-22 14:54 UTC | Major incident: We are investigating an issue causing increased error rates for video ingest and playback for assets and live streams (this change) | outage |

All Mux changes: [timeline](https://rewindex.com/company/mux/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/i38c8cb5b1f59ac · Markdown: https://rewindex.com/change/i38c8cb5b1f59ac.md · JSON: https://rewindex.com/api/v1/changes/i38c8cb5b1f59ac · Generated 2026-10-18T03:55:45.535Z