# CircleCI: Major incident: macOS jobs failing to start

**Summary:** CircleCI reported a major incident preventing macOS jobs across all resource classes from starting, from 2026-06-07 04:20 UTC to 2026-06-07 04:44 UTC (24 min). A fix restored normal job starts; customers whose jobs failed to start during the incident may rerun them. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-06-07 04:20 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/fcqx1c8m4dqx](https://stspg.io/fcqx1c8m4dqx)
- [Company: CircleCI](https://rewindex.com/company/circleci.md)
- Versions: before (none: first archived) → after incident\_version:179/2rhbvp9382px@5a912c7f28e0
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ macOS jobs failing to start
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-06-07 04:20 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-06-07 04:44 UTC
```

**6. Added: Affected components**

```diff
+ macOS Jobs
```

**7. Added: Update** (identified) · 2026-06-07 04:20 UTC

```diff
+ We have identified an issue causing macOS jobs to fail to start and are working to restore service. This impacts customers running macOS jobs across all resource classes.  Thank you for your patience while our engineers work to resolve this. We will provide another update within 30 minutes.
```

**8. Added: Update** (resolved) · 2026-06-07 04:44 UTC

```diff
+ This issue has been resolved and macOS jobs across all resource classes are starting normally again. Customers whose jobs failed to start during this window may rerun them. We thank you for your patience while our team worked on implementing a fix.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-06-07 04:20 UTC | Major incident: macOS jobs failing to start (this change) | outage |

All CircleCI changes: [timeline](https://rewindex.com/company/circleci/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/i6db5c6a27fae8e · Markdown: https://rewindex.com/change/i6db5c6a27fae8e.md · JSON: https://rewindex.com/api/v1/changes/i6db5c6a27fae8e · Generated 2026-10-18T01:30:40.187Z