Add Multiple AWS Accounts
Prerequisites
Make sure the AWS administrator account user you use to perform the tasks below is an Administrator User. For instruction on creating an Administrator User for your AWS administrator account please refer to https://docs.aws.amazon.com/mediapackage/latest/ug/setting-up-create-iam-user.html.
When adding multiple AWS accounts simultaneously, there are some crucial configurations that need to be completed before adding the AWS accounts.
Part 1 - Preliminary Configurations on AWS before CloudFormation
Part 2 - Add Accounts through AWS CloudFormation