In "doing + Internet explorer 10 + iis 8.0" assuming the environment the asp website -- -- -- -- -- online exam system,

Set up after a successful found problem description is as follows:
Client after landing, carries on the test, the test usually takes an hour or two time,
the problem is that if the submitted to the examination results in 20 minutes, may submit, normal
if you submitted more than 20 minutes, will be required to login again, cause the failure of the examination results submitted,

Already adjusted the relevant Settings
Source code to set the login. The session in asp. Timeout=100
In the index. The asp timeout="100"

Iis set in the ASP/session attributes/timeout for 01:40:00
Session state/session mode to process
Session state/cookie/timeout is set to 100 minutes
CGI/behavior/timeout for 01:40:00
Application pool/advanced Settings/process model/idle timeout is set to 100 minutes

special note: under the same site in XP system assuming no this problem,

Which master gives give directions please!!!!!!