# 2026-September-16 Service Incident

- Provider: [Sauce Labs](https://down.guide/providers/saucelabs)
- Confidence: Confirmed
- Impact: Operational
- lasted 0m
- started 2026-09-16 11:08 UTC
- us, us-west-1
- Sauce Labs states the impact was 2026-09-16 09:52 to 10:34 UTC (42m)
- id: DWN-3b12099071
- Official page: https://stspg.io/11s0hws4ft91

## Updates from Sauce Labs
### 2026-09-16 11:08 UTC: resolved
Between 09:52 UTC and 10:34 UTC, multiple Sauce Labs services in the US-West data center experienced an outage, causing authentication failures and disruptions to testing features. All systems are now fully operational.

### 2026-10-26 16:30 UTC: postmortem
Dates:
Wednesday, September 16th 2026, 09:51 UTC - 10:35 UTC.
What happened:
Multiple Sauce Labs services availability gradually decreased in the US-West-1 data center. The affected services included:
\* Authentication \\(sign-in, SSO, existing sessions, and sign-up\\)
\* Virtual Device Cloud \\(VDC\\)
\* Real Device Cloud \\(RDC\\)
\* Sauce Connect
\* REST API
\* App Storage
\* Insights
\* Sauce Visual
\* Test Composer
\* User and Team Management
\* Billing Plans and Usage API
Why it happened:
A deployment of the Authentication service triggered an unexpected surge in database connections, causing authentication failures and disrupting multiple Sauce Labs services.
How we fixed it:
Restarted the affected database node.
What we are doing to prevent it from happening again:
Improve rollout strategies, connection lifecycle management, failover mechanisms, and health check responsiveness.

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