Session timing problem

in ASP.NET 1.1, I want to keep my session alive for a while.

I add an object to session (Session.Add()) and set the session timeout in the web.config for 20 minutes however it seems to lose the session after 5 minutes (well before 20 minutes) or after a few refreshes of the page.

any ideas how I can keep the session alive for longer fully until the time specified in the web.config?Might be a problem with the ASP.NET worker process. Check your Event Viewer first to see if W3WP or any related processes have errored out, which may be causing the worker process to recycle (therefore ending the session)
i doubt that is the issue as the same problem happens when i upload it to my web hosting server. :)