title: HTTP Error 503.2 - Service Unavailable. The serverRuntime@appConcurrentRequestLimit setting is being exceeded
body: <p>I have a intranet SiteCore website set up on IIS 7 which randomly throws the following error message</p>
  
  <pre><code>    HTTP Error 503.2 - Service Unavailable
      The serverRuntime@appConcurrentRequestLimit setting is being exceeded.
  </code></pre>
  
  <p>To fix this issue, I have made following changes</p>
  
  <ul>
  <li>Increased the Queue Length of application pool myrjetAppPool from 1000 to 65535.</li>
  <li>Modified Machine.Config to increase requestQueueLimit property of ProcessModel element to 100000</li>
  <li><p>Increased appConcurrentRequestLimit to 10000 by running  </p>
  
  <pre><code>C:\Windows\System32\inetsrv\appcmd.exe set config /section:serverRuntime /appConcurrentRequestLimit:100000
  </code></pre></li>
  </ul>
  
  <p>But I'm still getting the same error. ANy help is greatly appreaciated.</p>