# SAML Single Sign-On (SSO) errors

- Provider: [Vercel](https://down.guide/vercel)
- Level: confirmed
- Impact: Partial outage
- lasted 2h 6m
- started 2026-07-16 08:39 UTC
- SAML Single Sign-On
- id: DWN-5b6be9f654
- Official page: https://stspg.io/yzqkkrl8lw0m

## Updates from Vercel
### 2026-07-16 08:39 UTC: investigating
We are investigating SAML Single Sign-On (SSO) errors, leading to inability to login using SAML/SSO or access SSO-protected teams through the Vercel dashboard and CLI.

### 2026-07-16 10:23 UTC: monitoring
The root cause of the SAML Single Sign-On (SSO) errors has been identified and a fix has been implemented. We are seeing error rates decrease. Users should be able to login with SAML/SSO or access their SSO-protected teams through the Vercel dashboard and CLI again. We are continuing to monitor.

### 2026-07-16 10:45 UTC: resolved
This incident has been resolved.

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