Windows Authentication

Windows Authentication Windows-based authentication is handled between the Windows server where the ASP.NET application resides and the client machine. In a Windows-based authentication model, the requests go directly to IIS to provide the authentication process. This type of authentication is quite useful in an intranet environment, where you can let the server deal completely with the authentication process — especially in environments where users are already logged on to a network. In this scenario, you simply grab and utilize the user name and password that are already in place for the authorization process.

IIS first takes the user’s name and password from the domain login. If this process fails, IIS displays a pop-up dialog box so the user can enter or re-enter his login information. To set up your ASP.NET application to work with Windows-based authentication, begin by creating some users and groups.


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