Update the health check settings of an Application Load Balancer target group - ELB
This documentation is a draft for private preview for regions in the AWS European Sovereign Cloud. Documentation content will continue to evolve. Published: December 30, 2025.

Update the health check settings of an Application Load Balancer target group

You can update the health check settings for your target group at any time. For the list of health check settings, see Health check settings.

Console
To update the health check settings

  1. Open the Amazon EC2 console at https://eusc-de-east-1.console.amazonaws-eusc.eu/ec2/.

  2. On the navigation pane, under Load Balancing, choose Target Groups.

  3. Choose the name of the target group to open its details page.

  4. On the Health checks tab, choose Edit.

  5. On the Edit health check settings page, modify the settings as needed.

  6. Choose Save changes.

AWS CLI
To update the health check settings

Use the modify-target-group command. The following example updates the HealthyThresholdCount and HealthCheckTimeoutSeconds settings.

aws elbv2 modify-target-group \
    --target-group-arn target-group-arn \
    --healthy-threshold-count 3 \
    --health-check-timeout-seconds 20
CloudFormation
To update the health check settings

Update the AWS::ElasticLoadBalancingV2::TargetGroup resource to include the updated health check settings. The following example updates the HealthyThresholdCount and HealthCheckTimeoutSeconds settings.

Resources:
  myTargetGroup:
    Type: 'AWS::ElasticLoadBalancingV2::TargetGroup'
    Properties:
      Name: my-target-group
      Protocol: HTTP
      Port: 80
      TargetType: instance
      VpcId: !Ref myVPC
      HealthyThresholdCount: 3
      HealthCheckTimeoutSeconds: 20