# Machine tokens unable to open referenced environments when running stack previews.

- Provider: [Pulumi Cloud](https://down.guide/pulumi)
- Level: confirmed
- Impact: Degraded
- lasted 22m
- started 2026-03-06 11:29 UTC
- API, Deployments
- id: DWN-8f28d86813
- Official page: https://stspg.io/x1s1kcgtqqs1

## Updates from Pulumi Cloud
### 2026-03-06 11:29 UTC: investigating
We are aware of issues with machine tokens having issues opening environments as part of running previews. We are currently investigating

### 2026-03-06 11:30 UTC: investigating
We are continuing to investigate this issue.

### 2026-03-06 11:41 UTC: identified
We are working on a rollback that should resolve this incident. As this rollback is deploying, you may see error rates decrease for a time until the deploy is complete.

### 2026-03-06 11:45 UTC: monitoring
Rollback has deployed. We are continuing to monitor

### 2026-03-06 11:52 UTC: resolved
This incident has been resolved.

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