In the installer, when securing the jmx-console:

If you change the admin username from "admin" to anything else, the login will not be in the correct groups.

Steps:

1. Install the all config using the installer
2. On the JMX Security page, secure the jmx-console
3. Change the username to "foo", password = admin
4. complete the install
5. run the installed jboss instance
6. attempt to access the jmx-console with username foo
7. You will receive this error message in your browser:

HTTP Status 403 - Access to the requested resource has been denied
type Status report
message Access to the requested resource has been denied
description Access to the specified resource (Access to the requested resource has been denied) has been forbidden.