# CockroachDB: Major incident: CockroachDB Unavailable in Azure Central US

**Summary:** CockroachDB reported a major outage affecting CockroachDB Advanced and CockroachDB Dedicated clusters with nodes in Azure Central US, which may have been unavailable starting 2024-07-18 23:20 UTC. The incident lasted 15 h 49 min and was resolved at 2024-07-19 15:09 UTC, after CockroachDB verified all Azure clusters were operational and backup jobs had completed. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2024-07-18 23:20 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/3kgm6c17n8bb](https://stspg.io/3kgm6c17n8bb)
- [Company: CockroachDB](https://rewindex.com/company/cockroachdb.md)
- Versions: before (none: first archived) → after incident\_version:138/sqy43t9lclm8@ed76b5f3df7d
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ CockroachDB Unavailable in Azure Central US
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2024-07-18 23:20 UTC
```

**5. Added: Resolved time**

```diff
+ 2024-07-19 15:09 UTC
```

**6. Added: Affected components**

```diff
+ CockroachDB Advanced, CockroachDB Dedicated
```

**7. Added: Update** (identified) · 2024-07-18 23:20 UTC

```diff
+ CockroachDB clusters with nodes in Microsoft’s Central US region may be unavailable. We are monitoring the situation and waiting for an update from Microsoft. For more information see Microsoft’s status page at https://azure.status.microsoft/en-us/status/
```

**8. Added: Update** (monitoring) · 2024-07-19 05:49 UTC

```diff
+ Latest update from Microsoft status page is all green, with some residual effects. CockroachDB clusters with nodes in Microsoft’s Central US region are all up and running with some background jobs like backup failing. We are continuously monitoring the status of the clusters.
```

**9. Added: Update** (resolved) · 2024-07-19 15:09 UTC

```diff
+ We have now verified that all Azure clusters are operational and have completed backup jobs.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2024-07-18 23:20 UTC | Major incident: CockroachDB Unavailable in Azure Central US (this change) | outage |

All CockroachDB changes: [timeline](https://rewindex.com/company/cockroachdb/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/iecd06429cd7e32 · Markdown: https://rewindex.com/change/iecd06429cd7e32.md · JSON: https://rewindex.com/api/v1/changes/iecd06429cd7e32 · Generated 2026-10-18T02:54:47.156Z