# CircleCI: Builds failing due to Docker Hub Registry outage

> CircleCI status incident “Builds failing due to Docker Hub Registry outage” on 2021-12-20: impact minor (vendor’s label), 1.2 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/circleci/incidents/pttnnhvsm12v
Last updated: 2021-12-20T23:59:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-12-20 22:48 UTC · Resolved: 2021-12-20 23:59 UTC · Duration: 1.2 h
- Updates: 1
- [Vendor status page: https://status.circleci.com/incidents/pttnnhvsm12v](https://status.circleci.com/incidents/pttnnhvsm12v)
- [Company: CircleCI](https://rewindex.com/company/circleci.md)

## Timeline of updates

- **resolved** 2021-12-20 23:59 UTC: All of our systems are fully operational. Once Docker Hub resolved their incident, any incoming build requests were successfully processed by our scaling up efforts. We are now resolving this incident.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._

## Cite this

Status incident (vendor impact label: minor) posted by CircleCI, started 2021-12-20 22:48 UTC, resolved after 1.2 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/circleci/incidents/pttnnhvsm12v
- Citation: CircleCI, “Builds failing due to Docker Hub Registry outage” (2021-12-20 22:48 UTC). Archived by Rewindex: https://rewindex.com/company/circleci/incidents/pttnnhvsm12v (CC BY 4.0).
- Markdown link: `[CircleCI: Builds failing due to Docker Hub Registry outage (2021-12-20)](https://rewindex.com/company/circleci/incidents/pttnnhvsm12v)`


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Canonical: https://rewindex.com/company/circleci/incidents/pttnnhvsm12v · Markdown: https://rewindex.com/company/circleci/incidents/pttnnhvsm12v.md · JSON: https://rewindex.com/api/v1/companies/circleci/incidents/pttnnhvsm12v · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T13:43:33.983Z