AWS Directory Service helps to connect AWS resources in your account with an existing on-premises user management tool such as AD. It helps to set up a new user management directory in the AWS cloud. AWS Directory Service facilitates a secure connection to the on-premises directory. After establishing the connection, all users can access cloud resources and on-premises applications with their already existing credentials.
AWS AD Connector is another service that helps you to connect the existing Microsoft AD to the AWS cloud. You don't need any specific directory synchronization tool. After setting up an AD connection, users can utilize their existing credentials to log on to AWS applications. Admin users can manage AWS resources, using AWS IAM.
AD Connector helps to enable MFA by integrating with your existing MFA infrastructure, such as YubiKey, Gemalto token, RSA token, and so on. For a smaller user base (fewer than 5,000 users), AWS...