I have an asp web application which requires users to logon. The username and password are currently kept in a database. It has been requested that the application be changed to use the same username and password as used for NT login. I cannot actually use NT security at the page level because a fair amount of security logic is built into the pages (i.e. pages appear differently to different users). Is their a function available from asp which I can pass a user name and password and recieve a boolean value in return indicating if the username and password matches a valid NT account. This would solve my problem by requiring the app to only store a user's NT username in the database and relate all custom security info to that id (i.e. I would no longer have to maintain passwords in my database).<BR><BR>Any help is appreciated!