title: ASP.NET Forms Authentication failed for the request. Reason: The ticket supplied has expired
body: <p>I am getting this error many times in the event log and users are logged out. </p>
  
  <blockquote>
    <p>Event code: 4005<br>
    Event message: Forms authentication failed for the request. Reason: The ticket  supplied has expired.<br>
    Event time: 3/10/2011 3:35:22 PM<br>
    Event time (UTC): 3/10/2011 8:35:22 PM<br>
    Event ID: fc2f70cc85014b0ca7dbb01471617b66<br>
    Event sequence: 3392<br>
    Event occurrence: 1<br>
    Event detail code: 50202</p>
  </blockquote>
  
  <p>Thoughts:</p>
  
  <ul>
  <li>I am not using web forms. </li>
  <li>I do not think the app pool is recycling. </li>
  <li>I compared the Process ID in several events and it is equal. </li>
  <li>My machine key is not AutoGenerate.</li>
  </ul>