title: Windows Authentication in web.config in asp.net mvc4
body: <p>I need to enable Windows Authentication from my <code>web.config</code>, without setting it in IIS.</p>
  
  <p>I have the following elements in the <code>web.config</code>:</p>
  
  <pre><code>  authentication mode="Windows
    identity impersonate="true 
  </code></pre>
  
  <p>However windows authentication is not working. How do I resolve this problem ?</p>