By default, Enterprise Management will log a user out after 30 minutes of inactivity. If you wish to change this setting, you need to customize the web.xml file. To locate the file, browse to the JBoss directory and go to \server\default\deploy\IdentityMinder.ear\user_console.war\WEB-INF. Once you have located the file, follow the steps below.
1- Open web.xml with notepad or similar editor
2- Search for the section below
<!-- 30 minutes -->
3- Replace 30 with the desired value
4- Restart JBoss
After restarting JBoss, test the new configuration to confirm the changes that were made.