title: Authenticate user by ADFS (Active Directory Federation Service)
body: <p>I need to check whether particular user exist OR not in Active Directory by <code>ADFS</code>.</p>
  
  <p>So, I want my <em>ADFS</em> to <code>check user Authentication</code> <em>by UserName/Password.</em></p>
  
  <p>Could anybody please provide the sample code OR tutorial for the same.</p>
  
  <p>Thanks in advance!</p>