Posted on: 3/10/2014 3:39:15 PM | Views : 5257

My ASP.NET Web Forms web application  works fine within Visual Studio 2013 Express Update 1 when Forms authentication is enabled. When I try to enable Windows Authentication, I get the following error:
HTTP Error 404.15 - Not Found The request filtering module is configured to deny a request where the query string is too long. Requested URL http://localhost:54321/Account/Login?ReturnUrl=%2FAccount%2FLogin%3FReturnUrl%3D%252FAccount%252FLogin%253FReturnUrl%253D...%252525252525252525252525252525252525252FDefault Physical Path C:\Path\To\My Project\Account\Login Logon Method Not yet determined Logon User Not yet determined Request Tracing Directory C:\Users\I\Documents\IISExpress\TraceLogFiles\My Project
Steps:
1) Solution Explorer -> My Project -> Project Properties (F4) -> Development Server   Anonymous Authentication - Disabled   Windows Authentication - Enabled
2) \Path\To\ ...

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