# Buildkite: macOS hosted agent jobs not starting

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-09-30 06:30 UTC · Resolved: 2026-09-28 01:30 UTC · Duration: -3181 min
- Updates: 1
- [Vendor status page: https://stspg.io/zvhyb8kcz74s](https://stspg.io/zvhyb8kcz74s)
- [Company: Buildkite](https://rewindex.com/company/buildkite.md)

## Summary

Buildkite reported a major outage preventing macOS hosted agent jobs from starting because of a misconfigured agent image update. Recorded start: 2026-09-30 06:30 UTC; recorded resolution: 2026-09-28 01:30 UTC; duration unknown. The vendor reported a fix and normal operation for new jobs; affected jobs still in Scheduled must be canceled and retried. _(machine-written, sol)_
## Timeline of updates

- **resolved** 2026-09-28 01:30 UTC: Between 11:45 and 15:00 (GMT+10) on 28 September, macOS hosted agent jobs could not start because of a misconfigured agent image update. This has been fixed and new jobs are running normally. Jobs from that window still waiting in the Scheduled state won't start on their own. Please cancel and retry them.

## Rewindex changes for this incident

- 2026-09-30 06:30 UTC: [Major incident: macOS hosted agent jobs not starting](https://rewindex.com/change/i62cfc631939026.md)


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Canonical: https://rewindex.com/company/buildkite/incidents/gk2h6y5plh6g · Markdown: https://rewindex.com/company/buildkite/incidents/gk2h6y5plh6g.md · JSON: https://rewindex.com/api/v1/companies/buildkite/incidents/gk2h6y5plh6g · Generated 2026-10-18T11:44:50.387Z