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If the AWS Organization for which you are setting up Control Tower/Landing Zone contains legacy accounts that you wish to enroll to be managed by Control Tower, follow the steps below:
Before deploying Customizations for Control Tower, manually create the
AWSControlTowerExecution
role by following the Step 2 in this guide. In a Control Tower-initialized account, this role is created by AWS automatically, and is required for Control Tower to manage any account. Legacy accounts do not have it.Add the legacy account configs to
accounts.yaml
in the landing-zone repo, with values forAccountName
andAccountEmail
that match current account details.