# Grafana Cloud: Errors when querying Prometheus datasource

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-10-13 19:55 UTC · Resolved: 2026-10-13 20:46 UTC · Duration: 51 min
- Updates: 4 · Affected components: GCP US Central - prod-us-central-4, Grafana - GCP US Central - prod-us-central-4
- [Vendor status page: https://stspg.io/tkdwbmz3gpx0](https://stspg.io/tkdwbmz3gpx0)
- [Company: Grafana Cloud](https://rewindex.com/company/grafana-cloud.md)

## Timeline of updates

- **investigating** 2026-10-13 19:55 UTC: A small number of customers with stacks in prod-us-central-4 are receiving "forbidden" errors when querying Prometheus data sources.  We are investigating and will provide an update soon.
- **investigating** 2026-10-13 20:01 UTC: We are continuing to investigate this issue.
- **monitoring** 2026-10-13 20:29 UTC: We have put some mitigations in place which seem to have helped with the errors.  We continue to monitor the results.
- **resolved** 2026-10-13 20:46 UTC: This incident has been resolved. Thank you for your patience.


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Canonical: https://rewindex.com/company/grafana-cloud/incidents/npdd5p4wt0qh · Markdown: https://rewindex.com/company/grafana-cloud/incidents/npdd5p4wt0qh.md · JSON: https://rewindex.com/api/v1/companies/grafana-cloud/incidents/npdd5p4wt0qh · Generated 2026-10-19T23:35:25.365Z