AWS IAM Identity Center now supports multi-Region replication for native directory users

Since July 2026, users stored in IAM Identity Center's native directory can be replicated to other AWS Regions. The article is a hands-on guide that walks through the full setup using the AWS CLI, from creating a multi-Region KMS key to testing login in the additional Region. It notes prerequisites such as requiring an Organization instance, supporting only Identity Center directory or external IdP identity sources (not Active Directory), and checking regional support and app compatibility. It also covers a default quota of six Regions per instance and a KMS key policy that allows Identity Center and Identity Store to use the key.
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