Security :: Getting Windows Username Using Windows Authentication?

Sep 3, 2010

I am developing one intranet website. Being an intranet application, one of the requirement is to have a single sign on feature.

It means that the windows PC username (i.e the "ctrl + alt + delete" username) is going to be the username for the system.

How do i fetch that username?

I tried the following two ways which are working in debug mode but not on live site.

System.Security.Principal.IPrincipal user = System.Web.HttpContext.Current.User;
Response.Write(user.Identity.Name);
&
Response.Write(Request.ServerVariables["AUTH_USER"].ToString());

Both the above method works when i run the page from visual studio.

However when i run the page from IIS or any other server, it gives me a blank value

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