← Live dashboard

Service impact: Increased Error Rates

ResolvedmajorUnverified reportFirst recorded update Sep 22, 2026, 12:24 AM · Resolved Sep 23, 2026, 12:30 AM

Between 3:49 PM and 5:06 PM PDT, we experienced increased error rates affecting new instance launches in the US-EAST-1 Region. During this time, customers may have experienced elevated error rates when attempting to launch new EC2 instances through RunInstances, CreateFleet, and related EC2 launch workflows. AWS services that launch EC2 instances on behalf of customers, including Amazon ECS, AWS Fargate, Amazon EMR, amongst others were also impacted during this period. We identified the root cause as a recent deployment to a subsystem within the EC2 service responsible for processing...

What visitors reported during this incident

No visitor reports were filed for this incident.

Having problems with Amazon Web Services now? Check the current status

Timeline

No vendor updates were captured for this incident before it was resolved.

What to do next

  • Verify your own services recovered cleanly. Some upstream outages leave queues or caches in a degraded state, run smoke tests before declaring green internally.
  • Save the post-mortem. Vendors usually publish a detailed RCA 1-3 days later. We'll add it to this page when it appears.
  • Watch the provider going forward. Follow Amazon Web Services's status feed →

GlobalOutageMap aggregates publicly reported signals. We never claim authoritative status, always cross-check the provider's official channel before making business decisions.