# Dremio: Major incident: Unable to start Azure-based project engines in Dremio Cloud

**Summary:** A major incident prevented Azure-based project engines from starting in Dremio Cloud - Europe and Dremio Cloud - US, affecting customers’ ability to start engines. It started at 2024-02-27 00:58 UTC and was resolved at 2024-02-27 08:30 UTC, lasting 7 h 31 min. Dremio rolled out a fix to all environments and verified engines were starting. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2024-02-27 00:58 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/6n2qh0dqzg7v](https://stspg.io/6n2qh0dqzg7v)
- [Company: Dremio](https://rewindex.com/company/dremio.md)
- Versions: before (none: first archived) → after incident\_version:144/jml9zynp744l@0019fc96d839
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Unable to start Azure-based project engines in Dremio Cloud
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2024-02-27 00:58 UTC
```

**5. Added: Resolved time**

```diff
+ 2024-02-27 08:30 UTC
```

**6. Added: Affected components**

```diff
+ Dremio Cloud - Europe, Dremio Cloud - US
```

**7. Added: Update** (investigating) · 2024-02-27 00:58 UTC

```diff
+ Users may be experiencing issues with starting engines in Dremio Cloud for Azure projects. We are currently investigating the issue. Expect updates every 30 minutes.
```

**8. Added: Update** (identified) · 2024-02-27 01:38 UTC

```diff
+ Users may be experiencing issues with starting engines in Dremio Cloud for Azure projects. We have identified the issue and are working on a fix. We will provide another update by 6:45 PM PT.
```

**9. Added: Update** (identified) · 2024-02-27 02:30 UTC

```diff
+ Users may be experiencing issues with starting engines in Dremio Cloud for Azure projects. We have identified the issue and are working on a fix. We will provide another update by 7:45 PM PT.
```

**10. Added: Update** (identified) · 2024-02-27 03:32 UTC

```diff
+ Users may be experiencing issues with starting engines in Dremio Cloud for Azure projects. We have identified the issue and are working on rolling out a fix. We will provide another update by 8:45 PM PT.
```

**11. Added: Update** (identified) · 2024-02-27 04:41 UTC

```diff
+ Users may be experiencing issues with starting engines in Dremio Cloud for Azure projects. We have identified the issue and are continuing to work on rolling out a fix. We will provide another update by 9:45 PM PT.
```

**12. Added: Update** (identified) · 2024-02-27 05:44 UTC

```diff
+ Users may be experiencing issues with starting engines in Dremio Cloud for Azure projects. We have identified the issue and are continuing to work on rolling out a fix. We will provide another update by 10:45 PM PT.
```

**13. Added: Update** (identified) · 2024-02-27 06:26 UTC

```diff
+ Users may be experiencing issues with starting engines in Dremio Cloud for Azure projects. We have verified a fix and are working on rolling out the fix to production environments. We will provide another update by 11:15 PM PT.
```

**14. Added: Update** (identified) · 2024-02-27 07:08 UTC

```diff
+ Users may be experiencing issues with starting engines in Dremio Cloud for Azure projects. We have verified a fix and are continuing to roll out the fix to production environments. We will provide another update by 11:45 PM PT.
```

**15. Added: Update** (identified) · 2024-02-27 07:44 UTC

```diff
+ Users may be experiencing issues with starting engines in Dremio Cloud for Azure projects. We have rolled out the fix to Dremio Cloud EU and are continuing to roll out the fix to Dremio Cloud US. We will provide another update by 12:15 AM PT.
```

**16. Added: Update** (identified) · 2024-02-27 08:19 UTC

```diff
+ Users may be experiencing issues with starting engines in Dremio Cloud for Azure projects. We have rolled out the fix to Dremio Cloud EU and are completing the roll out of the fix to Dremio Cloud US. We will provide another update by 12:45 AM PT.
```

**17. Added: Update** (resolved) · 2024-02-27 08:30 UTC

```diff
+ We have rolled out the fix to all Dremio Cloud environments and have verified engines are coming up for Azure-based projects. We apologize for any inconvenience this incident may have caused.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2024-02-27 00:58 UTC | Major incident: Unable to start Azure-based project engines in Dremio Cloud (this change) | outage |

All Dremio changes: [timeline](https://rewindex.com/company/dremio/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/i71c41f0b9dab37 · Markdown: https://rewindex.com/change/i71c41f0b9dab37.md · JSON: https://rewindex.com/api/v1/changes/i71c41f0b9dab37 · Generated 2026-10-18T01:54:10.169Z