This article provides a step-by-step guide to configuring a Windows® domain trust with selective authentication using CopyRight2's Computer and Profile Migration feature. Selective authentication is a critical security feature that restricts access to specific resources across domains. The guide explains how to establish a trust relationship, enable selective authentication, and set the necessary permissions to avoid common errors during the migration process. By following these steps, users can ensure secure and efficient cross-domain migration while maintaining control over which users and computers can access resources in the target domain.