[Zope] LAN access and session timeout?

[Benmania Guin]

Hi guys, 

 I installed ZOPE on my PC with a WIN XP operating system. I connected this computer to another one with the same operating system. Everything works fine except the fact that after a certain time period, I am not able to have access to the ZOPE server  through the connected (2nd) computer anymore.  
Do you know what the problem is? I already tried to change the .conf file of my instance by replacing the "timeout-minutes" option - but it did not work. 

sincerely, 
Benjamin 
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