# Mintlify: Unable to access preview deployments

> Mintlify could not log in some users to preview deployments and to sites protected by Mintlify authentication. Production documentation sites and preview builds were not affected. Mintlify identified the cause, deployed a fix, and confirmed normal logins. Mintlify resolved the incident after 28 minutes.

- Provider: [Mintlify](https://outages.live/mintlify.md)
- Type: Incident
- State: Resolved
- Worst impact: Partial outage
- Started: 2026-11-04 21:01 UTC
- Resolved: 2026-11-04 21:29 UTC (lasted 28 min)
- Official update: https://status.mintlify.com

## Updates from Mintlify

### resolved, 2026-11-04 21:29 UTC

This incident has been resolved. Logins to preview deployments and sites protected by Mintlify authentication are back to working normally. If you still are running into any issues please contact [support@mintlify.com](mailto:support@mintlify.com).

### monitoring, 2026-11-04 21:15 UTC

A fix has been deployed and logins to preview deployments and sites protected by Mintlify authentication are working again. We're monitoring to confirm. If you still see the error, try logging in again or contact [support@mintlify.com](mailto:support@mintlify.com).

### investigating, 2026-11-04 21:09 UTC

We've identified the cause of the error affecting preview deployments and sites protected by Mintlify authentication. A fix is being deployed now. Users who are already logged in and sites using other authentication methods are not affected.

### investigating, 2026-11-04 21:03 UTC

We’re investigating an authentication issue that is preventing some users from accessing preview deployments. Previews are still building normally, and production documentation sites are not affected.