Are you having problems with Windows Authentication in ASP.NET (2.0)?
January 10th, 2007
I was too!
I went to a few different tutorials (Tutorial 1 , Tutorial 2) on how to set it up for an intranet environment, but I couldn’t get it to work.
It seemed like it wasn’t working because IIS wasn’t properly authenticating the user. But when I went to my IIS settings everything was right according to the tutorials…
(Like this…)
Everything was right! But still no luck.
To make a long story short, I found this article and it did the trick…
Forcing NTLM Authentication (IIS 6.0)
Now I can enjoy Windows Authentication in ASP.NET for my Intranet Web App! 
