Amazon ECS adds automated agent connectivity detection and repair
Amazon ECS now automatically detects and repairs container instances experiencing impaired agent connectivity, reducing workload failures and improving application availability. The service continuously monitors agent connections to the ECS control plane, surfacing a new AGENT_CONNECTIVITY health change event. For AWS Fargate and ECS Managed Instances, the system automatically drains tasks, launches replacement capacity, and deregisters impaired instances. Customers using ECS on EC2 can leverage this event to trigger their own instance replacement workflows, available at no extra cost in all AWS Commercial and GovCloud regions.
Features (1) ›
- Automated container instance health detection and repair
Amazon ECS now continuously monitors agent connectivity to its control plane, detecting impairments caused by infrastructure events like EBS degradation or network failures. A new AGENT_CONNECTIVITY health change event is surfaced for all compute options. For Fargate and ECS Managed Instances, the service automatically performs recovery actions including task draining, launching replacement capacity, and deregistering impaired instances. Users of ECS on EC2 can use these health events to drive custom instance replacement workflows.
https://aws.amazon.com/about-aws/whats-new/2026/08/amazon-ecs-agent-connectivity-health
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