One of the most important requirements for migrating settings and data is restoring only the information that the destination computer requires. Identifying the applications to migrate is especially important to avoid capturing data about applications that might be phased out. In migration planning, both organizations and individuals must first identify what to migrate, including user settings, applications and application settings, and personal data files and folders.
Planning can help the migration proceed smoothly and can reduce the risk of migration failure. Before using the User State Migration Tool (USMT) to perform a migration, Microsoft recommends that to plan the migration carefully.