title: Global variables within IIS Express
body: <p>I've just installed IIS Express, can anyone tell me where it gets the settings for the following variables?</p>
  
  <pre><code>%IIS_BIN%
  %IIS_USER_HOME%
  %IIS_SITES_HOME%
  %SYSTEMDRIVE%
  </code></pre>
  
  <p>Thanks</p>