The default is 10 minutes. Open the navigator.cfg file located in:
Edit the sessionTimeout value to your desired time period, in minutes, for example 30 minutes.
;Time until session times out, in minutes.
;This has to be at least 5 minutes shorter than the tokenLongevity value.
;Default is 10.
The related parameter tokenLogevity needs to be at least 5 minutes more than the sessionTimeout value.
See 4.5 Inactivity in the Nastel Navigator User’s Guide
For Navigator Classic
The default timeout value is 30 minutes. Modify the timeout settings in the web.xml file located within the following two directories:
Change the session-timeout as shown below to the required timeout value.