Managing identity source transition for AWS IAM Identity Center

This article summarizes the process for managing the transition between identity sources in AWS IAM Identity Center, which allows organizations to manage user access to AWS resources and applications.

Specifically, the article covers:

• Background on the different identity source options in IAM Identity Center (Identity Center directory, Active Directory, external IdP)
• A sample deployment with scripts for backing up and restoring user/group assignments to permission sets and applications
• A walkthrough for transitioning to a new identity source, including:
  • Backing up users, groups, and assignments from the current source
  • Restoring and validating users/groups in the new target source
  • Configuring IAM Identity Center to connect to the new source
  • Restoring assignments in the new source
  • Validating user access after the transition
• Conclusion emphasizing careful planning for transitioning identity sources