# 2025-October-28 Service Incident

- Provider: [Sauce Labs](https://down.guide/providers/saucelabs)
- Confidence: Confirmed
- Impact: Partial outage
- lasted 1h 29m
- started 2025-10-28 12:53 UTC
- EU-Central, EU-Central
- eu, eu-central-1
- id: DWN-e7d8f43f37
- Official page: https://stspg.io/hkxwg4q3vy8g

## Updates from Sauce Labs
### 2025-10-28 12:53 UTC: investigating
We are currently seeing elevated error rates for browser tests running on Windows 8 & 10 in the EU-Central-1, we are currently investigating.

### 2025-10-28 14:22 UTC: resolved
After taking remedial action, Windows browser tests are now running normally, this incident is resolved.

### 2025-11-06 16:00 UTC: postmortem
Dates:
Tuesday, October 28th 2025, 11:40 UTC - 14:05 UTC.
What happened:
Windows based tests in the EU data center were failing on startup which led to a decrease in availability of Windows-based Virtual Machines.
Why it happened:
A product defect was introduced which caused an issue with starting Windows-based VMs. 
How we fixed it:
The deployment was rolled back to a stable version.
What we are doing to prevent it from happening again:
We have improved monitoring & alerting and enhanced our post-deployment validation.

From the builder: does your app depend on Sauce Labs? [Sazabi](https://www.sazabi.com/?utm_source=down-guide&utm_medium=markdown&utm_content=saucelabs) detects problems in your own logs without hand-written monitors, and you can ask it in plain language which errors mention Sauce Labs.

---
down.guide reads providers' official status pages every minute and adds its own evidence, always labeled. Free, no account. Agents: MCP at https://down.guide/mcp, REST at https://down.guide/api/v1, feeds at https://down.guide/feed. Built by [Sazabi](https://www.sazabi.com/?utm_source=down-guide&utm_medium=markdown&utm_content=DWN-e7d8f43f37), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.