if you have any further issue, just call out for help.
<update> sorry... p 13 of the MicrosoftIISMultiServerConfig.pdf Shows basically the concept. You need to call runagentsetup to make the config change or connect via arcMC to the connector (if remote-Management is configured/ you run on an appliance) and then modify the parameters of the connector; no need to touch the agent.properties manually.
I need to add a new Wildcard to the connector(version 7.15) as it only has 3 types : u_ex*.log, ex*.log and httperr*.log. What I need is to add a new type u_in*.log. I know it is done from agent.properties but I don't know exactly how to add a new one.