To uninstall the JBoss which is installed using JEMS Installer, just go to the directory where JBoss is installed. Let it be <JBOSS_HOME>.
Find the directory called Uninstaller and run the uninstaller.jar file.
If you are using Unix Platform do the following steps.
1. Start the XWindow Manager.
2. And execute the following commands.
#export DISPLAY=<ur desktop system's ip-addr>:0 #cd <JBOSS_HOME>/Uninstaller #java -jar uninstaller.jar
You can now install jboss with "all" server configuration using JEMS Installer.