We have a web application whose session timeout is set to 180 minutes.
However, I believe we are still getting timeouts of considerably less
than that. I know that we have both ASP and ASPX pages in the same web
application. Would this make any difference?
Session Timeout duration and ASP/ASPX pages in the same web page have no
direct correlation.
See the following blog entry describe what is Session state, how it is
commonly implemented for ASP/ASP.Net, what affects it, and some common
observations and how/why they happen:
http://blogs.msdn.com/david.wang/archive/2005/09/19/Why_do_I_lose_ASP_Session_St
ate_on_IIS6.aspx

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//David
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http://blogs.msdn.com/David.Wang
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//
> We have a web application whose session timeout is set to 180 minutes.
> However, I believe we are still getting timeouts of considerably less
> than that. I know that we have both ASP and ASPX pages in the same web
> application. Would this make any difference?