Only users in the asadmin group are able to access Admin Console and asadmin command line utility. To give a user access to these administration tools, add them to the asadmin group, as follows:
Initially after installation, only the administrator user name and password entered during installation will be listed. By default, this user belongs to the group asadmin, which gives rights to modify the Application Server. Assign users to this group only if you want to grant them administrator privileges for the Application Server.