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2026-August-07 Service Incident
Incident
Report for Sauce Labs
Postmortem
Dates:
Friday, August 7th 2026, 11:00 UTC - 13:04 UTC.
What happened:
Windows and Intel Mac jobs in us-west1 failed to start due to virtual machine (VM) allocation starvation.
Why it happened:
A service crash loop left VMs in an allocated but unclaimed state, while a cleanup bug prevented the system from releasing the orphaned capacity to boot new VMs.
How we fixed it:
Restored service stability and cleared stale allocations to resume VM provisioning and clear queued jobs.
What we are doing to prevent it from happening again:
Fixing allocator cleanup logic, strengthening deployment health checks, and improving capacity accounting for stale allocations.
Resolved
After taking remedial action, Virtual Desktop tests are starting successfully in the US-West-1 Data center. All services are fully operational. We are closely monitoring the situation
Investigating
We are currently seeing elevated error rates for virtual desktop tests in the US-West-1 datacenter. We are currently investigating.