Forms Authentication with Active Directory in ASP.NET

http://geekswithblogs.net/frankw/archive/2008/05/18/forms-authentication-with-active-directory-in-asp.net-2.0.aspx

http://blog.jumptree.com/2008/active-directory-and-aspnet-forms-authentication/

http://mvolo.com/blogs/serverside/archive/2008/02/11/IIS-7.0-Two_2D00_Level-Authentication-with-Forms-Authentication-and-Windows-Authentication.aspx

http://stackoverflow.com/questions/306652/asp-net-application-to-authenticate-to-active-directory-or-sql-via-windows-authen