title: cloud foundry login authentication failed?
body: <p>I can login to cloud foundry from the login page without problems. But when I tried cf login, I got:</p>
  
  <pre><code>C:\Users\pding&gt;cf target api.cloudfoundry.com
  Setting target to https://api.cloudfoundry.com... OK
  
  C:\Users\pding&gt;cf login
  target: https://api.cloudfoundry.com
  
  Email&gt; ********* (my email address)
  Password&gt; ******** (my password)
  
  Authenticating... FAILED
  </code></pre>
  
  <p>Anything I missed?</p>