# Expo: Severe authentication system outage

> Expo status incident “Severe authentication system outage” on 2017-10-26: impact minor (vendor’s label), 5.4 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/expo/incidents/65gz1t1j4205
Last updated: 2017-10-27T04:00:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2017-10-26 22:36 UTC · Resolved: 2017-10-27 04:00 UTC · Duration: 5.4 h
- Updates: 1
- [Vendor status page: https://status.expo.dev/incidents/65gz1t1j4205](https://status.expo.dev/incidents/65gz1t1j4205)
- [Company: Expo](https://rewindex.com/company/expo.md)

## Timeline of updates

- **resolved** 2017-10-27 04:00 UTC: Authentication seems to be working properly for most users. We're still cleaning up a few accounts that were disrupted during the backup recovery that Auth0 performed. We will notify those users by email. If you have any trouble with your account, please ping us on the forums, on Github, or on our Slack channel. A full postmortem will be coming in the next few days.

_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 Expo, started 2017-10-26 22:36 UTC, resolved after 5.4 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/expo/incidents/65gz1t1j4205
- Citation: Expo, “Severe authentication system outage” (2017-10-26 22:36 UTC). Archived by Rewindex: https://rewindex.com/company/expo/incidents/65gz1t1j4205 (CC BY 4.0).
- Markdown link: `[Expo: Severe authentication system outage (2017-10-26)](https://rewindex.com/company/expo/incidents/65gz1t1j4205)`


---
Canonical: https://rewindex.com/company/expo/incidents/65gz1t1j4205 · Markdown: https://rewindex.com/company/expo/incidents/65gz1t1j4205.md · JSON: https://rewindex.com/api/v1/companies/expo/incidents/65gz1t1j4205 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T13:17:19.406Z