Creates a new connection group with the named group ID.
--user identifies the user name associated with the named instance.
--password identifies the password associated with the user name.
--host identifies the host name for the machine.
--port identifies the administrator port number associated with the hostname.
--instance identifies the name of the instance associated with the JVM option to be created.
--httplistener a unique identifier for the HTTP listener.
--address the IP address of the listen socket. Can be in dotted-pair or IPv6 notation.
--defaultvs the ID attribute of the default virtual server for this particular connection group.
--servername identifies, in the hostname section, the URLs the server sends to the client. This name should be the alias name if your server uses an alias. If you append a colon (:) and port number, that port will be used in the URLs the server sends to the client.
connection_group_ID a unique identifier for the connection group.