title: How to connect by MDS excel add-in using HTTPS?
body: <p>I've switched MDS access from HTTP into HTTPS. </p>
  
  <ol>
  <li><p>Web interface works ok</p></li>
  <li><p>Excel add-in generates an error during a connection attempt</p></li>
  </ol>
  
  <p>The HTTP request was forbidden with client authentication scheme 'Negotiate'.
  The remote server returned an error: (403)Forbidden. (System)</p>
  
  <p>What should be done to work with excel using HTTPS?</p>