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EC2 Auto Scaling Instance Refresh integrated with CloudFormation

infraawsengineeraws-ec2
feature

Amazon EC2 Auto Scaling now supports the Instance Refresh feature directly within AWS CloudFormation update policies. This integration allows CloudFormation to automatically trigger instance refreshes when properties change, offering capabilities like root volume replacement and controlled rollouts with bake times. Existing Auto Scaling features and health checks remain active during updates, ensuring service continuity. The feature is available across all AWS Regions at no additional cost.

  • →EC2 Auto Scaling Instance Refresh available via CloudFormation
  • →Instance Refresh offers advanced deployment controls
  • →Rollback and availability
Features (1) ›
  • EC2 Auto Scaling Instance Refresh available via CloudFormation

    Instance Refresh is now supported as an AWS CloudFormation update policy, enabling automated instance refreshes during stack updates. This provides enhanced control over deployments and maintains service health.

Enhancements (1) ›
  • Instance Refresh offers advanced deployment controls

    This integration provides Instance Refresh capabilities such as root volume replacement, launch-before-terminate, alarm-based monitoring, and controlled rollouts with bake times. Auto Scaling features and health checks remain active throughout the update process.

Notes (1) ›
  • Rollback and availability

    Rollback is handled by CloudFormation stack rollback, and the feature is available in all AWS Regions at no additional cost.

Read the original announcement →

https://aws.amazon.com/about-aws/whats-new/2026/07/ec2-auto-scaling-instance-refresh-cloudformation

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