FwcTool.exe provides a set of command line options to specify the ISA Server computer that Firewall clients should use, and to set automatic discovery settings and Web browser settings on the client computer. It provides diagnostic tools to test the availability of ISA Server and auto detection mechanisms, and a print out of Firewall client configuration settings. Using the tool, you can apply settings for all users on the Firewall client computer, the current user, or for a particular application.