Windows authentication not working asp.net mvc showing null

Question

Web.Config windows authentication showing null username

My WebConfig authentication is enable

C# code I tried

WindowsIdentity.GetCurrent(); // showing null
System.Security.Principal.WindowsIdentity.GetCurrent().Name  // showing null
System.Security.Principal.WindowsIdentity.GetCurrent().Name;// showing null
Request.ServerVariables["LOGON_USER"] // showing null
Request.ServerVariables["REMOTE_USER"] // showing null

Are you hosting this with IISExpress? Have you turn off Anonymous Authentication. — Fran
– Fran, Commented Feb 13, 2017 at 20:55

Zahid Mustafa · Accepted Answer · 2017-02-14 08:24:10Z

1

Have you entered like this is Web.Config

<system.web>
   <authentication mode="Windows"/>
</system.web>

answered Feb 14, 2017 at 8:24

Zahid Mustafa

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Tannheuser · Accepted Answer · 2017-07-31 16:38:18Z

1

In my case I checked Project properties window.

Anonymous Authentication was set Enabled and Windows Authentication - to Disabled. I changed these values and it helped me.

answered Jul 31, 2017 at 16:38

Tannheuser

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1 Comment

Mr. L Over a year ago

To open Project Properties Window in VS 2019: select your project in Solution Explorer and press F4 or go to View -> Properties Windows.

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