This is the usage for start args for jboss: usage: run.bat [options] options: -h, --help Show this help message -V, --version Show version information -- Stop processing options -D[=] Set a system property -d, --bootdir= Set the boot patch directory; Must be absolute or url -p, --patchdir= Set the patch directory; Must be absolute or u rl -n, --netboot= Boot from net with the given url as base -c, --configuration= Set the server configuration name -B, --bootlib= Add an extra library to the front bootclasspat h -L, --library= Add an extra library to the loaders classpath -C, --classpath= Add an extra url to the loaders classpath -P, --properties= Load system properties from the given url -b, --host=<host or ip> Bind address for all JBoss services -g, --partition= HA Partition name (default=DefaultDomain) -u, --udp= UDP multicast address -l, --log=<log4j|jdk> Specify the logger plugin type Press any key to continue . . . I see no --user option there. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3985645#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...