You can debug Delegated Administrator further by examining the server logs generated by your Web container.
web_server6_base is the path where Web Server 6.x software is installed. For example: /opt/SUNWwbsvr.
host.domain is the host and domain name of the machine where Web Server 6.x is running.
web_server7_config_base is the path where Web Server 7.x configuration and log files are installed. For example: /var/opt/SUNWwbsvr7.
host.domain is the host and domain name of the machine where Web Server 7.x is running.
application_server7_base is the path where Application Server 7.x software is installed.
application_server8_base is the path where Application Server 8.x software is installed.