AspUser is a comprehensive NT user and permission management component. It provides you with an object-oriented programming interface to NT user and group accounts as well as access control lists of files. Main features include: Ability to add, delete, rename and enumerate NT users and groups, on a local box or across server and domain borders, Ability to retrieve and change various user and group account properties, Ability to allow users to change their NT passwords over the Web, Ability to change user membership information, Ability to impersonate arbitrary user accounts, Ability to retrieve and change Access Control Lists (ACLs) of files and directories, Ability to set a file owner, and more.