title: TF31002: Unable to connect to this Team Foundation Server for VS 2010, VS 2012 is connected to same server from same machine
body: <p>I have VS2012 and VS2010 on the same machine. VS2012 is connected to  Team Foundation Server (now VSOL/Visual Studio Online) but, VS2010 gives below error when trying to add  Team Foundation Server (now Visual Studio Online) to the list.</p>
  
  <p><strong>TF31002:</strong> Unable to connect to this Team Foundation Server
  Possible reasons for failure include:</p>
  
  <ul>
  <li><p>-The name, port number or protocol for TFS is incorrect.</p></li>
  <li><p>-The team foundation server is offline.</p></li>
  <li><p>-Password has expired or is incorrect.</p></li>
  </ul>
  
  <p>For further information, contact  Team Foundation Server administrator.</p>