AWSConfigRemediation-EnableCLBCrossZoneLoadBalancing - Amazon Systems Manager Automation runbook reference
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The AWSConfigRemediation-EnableCLBCrossZoneLoadBalancing runbook enables cross-zone load balancing for the Classic Load Balancer (CLB) you specify.

Run this Automation (console)

Document type





Linux, macOS, Windows


  • AutomationAssumeRole

    Type: String

    Description: (Required) The Amazon Resource Name (ARN) of the Amazon Identity and Access Management (IAM) role that allows Systems Manager Automation to perform the actions on your behalf.

  • LoadBalancerName

    Type: String

    Description: (Required) The name of the CLB that you want to enable cross-zone load balancing on.

Required IAM permissions

The AutomationAssumeRole parameter requires the following actions to use the runbook successfully.

  • ssm:StartAutomationExecution

  • ssm:GetAutomationExecution

  • elb:DescribeLoadBalancerAttributes

  • elb:ModifyLoadBalancerAttributes

Document Steps

  • aws:executeAwsApi - Enables cross-zone load balancing for the CLB you specify in the LoadBalancerName parameter.

  • aws:assertAwsResourceProperty - Verifies cross-zone load balancing has been enabled on the CLB.