Log in as root on the Sun Management Center server-layer machine.
Locate an unused port.
Type /opt/SUNWsymon/sbin/es-config -p rmi.
es-config stops all Sun Management Center processes. The port numbers currently assigned to the Sun Management Center components are then displayed. The port number assigned to the server is displayed next, and you are prompted to enter the port number. For example:
# ./es-config -p rmi Following ports are occupied by Sun Management Center: 161,162,163,164,165,167,168,166,5600,2099,8080,8443. Sun Management center server component is presently using port:2099 Hit RETURN key to continue with present configuration. Enter the port number you would like to use for rmi component [ 1100 to 65535 ]:
Type the port number that you want to assign, or press Return to use the default port assignment.
You are asked whether you want to start the Sun Management Center components.
Type y to start the Sun Management Center components, or type n if you do not want to start the components.