# ChatGPT: Major incident: Elevated errors affecting ChatGPT Work mode

**Summary:** ChatGPT Work mode experienced elevated errors, with some users unable to start or run Work tasks. The vendor rated the impact major; the incident began at 2026-09-17 19:03 UTC and lasted 1 h 21 min, with full recovery reported at 2026-09-17 20:24 UTC after mitigation work. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-09-17 19:03 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://status.openai.com/incidents/01M2RC0WHGTX8EHDH7D60JJ7FC](https://status.openai.com/incidents/01M2RC0WHGTX8EHDH7D60JJ7FC)
- [Company: ChatGPT](https://rewindex.com/company/chatgpt.md)
- Versions: before (none: first archived) → after incident\_version:5/01M2RC0WHGTX8EHDH7D60JJ7FC@b6f66fc6c5d4
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Elevated errors affecting ChatGPT Work mode
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-09-17 19:03 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-09-17 20:24 UTC
```

**6. Added: Update** (investigating) · 2026-09-17 19:03 UTC

```diff
+ We are investigating the issue for the listed services. Some users may experience failures when starting or running Work tasks.
```

**7. Added: Update** (investigating) · 2026-09-17 19:38 UTC

```diff
+ We are investigating the issue for the listed services.
```

**8. Added: Update** (identified) · 2026-09-17 19:57 UTC

```diff
+ We are still implementing the mitigation.
```

**9. Added: Update** (resolved) · 2026-09-17 20:24 UTC

```diff
+ All impacted services have now fully recovered.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-09-17 19:03 UTC | Major incident: Elevated errors affecting ChatGPT Work mode (this change) | outage |

All ChatGPT changes: [timeline](https://rewindex.com/company/chatgpt/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/i76fc9d3115033c · Markdown: https://rewindex.com/change/i76fc9d3115033c.md · JSON: https://rewindex.com/api/v1/changes/i76fc9d3115033c · Generated 2026-10-18T02:29:41.079Z