# Firebolt: Critical incident: Unable to start Engines on FB 2.0

**Summary:** Firebolt reported a critical FB 2.0 outage across all regions: engines could not start or Autostop, and inserts failed on running engines. The incident started at 2024-11-14 19:46 UTC, with symptoms reported since 18:26 UTC; its recorded duration was 23 min. Reverting a recent network change restored service at 20:03 UTC; it was marked resolved at 20:10 UTC. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2024-11-14 19:46 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/j12m8t577h7s](https://stspg.io/j12m8t577h7s)
- [Company: Firebolt](https://rewindex.com/company/firebolt.md)
- Versions: before (none: first archived) → after incident\_version:147/dfqwcddqjf01@9bc526035ae3
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Unable to start Engines on FB 2.0
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2024-11-14 19:46 UTC
```

**5. Added: Resolved time**

```diff
+ 2024-11-14 20:10 UTC
```

**6. Added: Affected components**

```diff
+ Engines, Firebolt Components - Engines
```

**7. Added: Update** (investigating) · 2024-11-14 19:46 UTC

```diff
+ We are currently experiencing an unplanned service outage affecting all regions. As of 18:26 UTC, you may encounter difficulties starting engines in our FB 2.0 environment. Our engineering team is actively working to resolve the issue as quickly as possible. We will provide updates on our Statuspage at least every 15 minutes. Thank you for your patience and understanding.
```

**8. Added: Update** (investigating) · 2024-11-14 20:02 UTC

```diff
+ We are still experiencing the issue, and continuing to work on a fix Updated Impact: - Engines are unable to start. - Engines are unable to stop with Autostop and remain in the "Running" state, even when no queries are executed. - Insert commands are failing on currently running engines. We continue to look into this with the highest priority.
```

**9. Added: Update** (resolved) · 2024-11-14 20:10 UTC

```diff
+ The issue was resolved at 20:03 UTC. We experienced an outage in engine operations, which was addressed by reverting a recent network change. Services are now fully operational. Please reach out if you experience any further issues.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2024-11-14 19:46 UTC | Critical incident: Unable to start Engines on FB 2.0 (this change) | outage |

All Firebolt changes: [timeline](https://rewindex.com/company/firebolt/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._


---
Canonical: https://rewindex.com/change/ie26ba78b196ea2 · Markdown: https://rewindex.com/change/ie26ba78b196ea2.md · JSON: https://rewindex.com/api/v1/changes/ie26ba78b196ea2 · Generated 2026-10-18T01:30:19.374Z