title: Asp.net IIS6 - application pool recycle
body: <p>I'm running an ASP.NET website on Windows 2003 IIS 6.0</p>
  
  <p>Every 24-28 hours I'm getting the following error:</p>
  
  <p>When the error occurrs all users are disconnected from the website.</p>
  
  <pre><code>Event Type: Warning
  Event Source:   W3SVC
  Event Category: None
  Event ID:   1013
  Date:       02/02/2010
  Time:       19:29:38
  User:       N/A
  
  A process serving application pool 'DefaultAppPool' exceeded time limits during 
  shut down. The process id was '1660'. 
  
  For more information, see Help and Support Center at   
     http://go.microsoft.com/fwlink/events.asp.
  </code></pre>
  
  <p>Any idea what does the error means?</p>
  
  <p>Is this related to application pool recycle?</p>
  
  <p>If so, is it a "must" to recycle the IIS app pool? </p>