title: OAuth2 SSO implementation using ADFS in MVC4 with Owin Oauth middleware
body: <p>In simple My only requirements are to implement SSO in my application:</p>
  
  <ol>
  <li><p>Use ADFS 2012 R2 for SSO (OAuth2 protocol).</p></li>
  <li><p>User will get token using oAUth 2.0 VIA ADFS Server using login prompt for credential or what ever authentication scheme is configured on ADFS form based or windows based.</p></li>
  <li>If same user that is authenticated using oAuth for one application if second application want to use the same user then the login box that ADFS presented using oAUth2.0 should not appear.</li>
  </ol>
  
  <p>Now, please help me how OWIN.SECURITY.OAuth or any other oAuth will help me and what is the best way to implement in MVC web application. Please provide sample applicaiton.</p>