看看本文.阅读.它说明了所有以及如何启用Windows身份验证并起作用:
在ASP.NET中实现Windows身份验证 [链接1 [链接2 [

Have a look at this article. Read it. It tell all and how windows authentication can be enabled and works:
Windows Authentication implemented in ASP.NET[^]

Details on Windows authentication here:
Link 1[^]
Link 2[^]