The file UIConfig.props in the BIN directory of the machine running the Configuration Tool. The following properties must be correctly defined:
"WebServer"
"WebServerPort"
"WebAppBase"
The first one should point to the machine of the server if not localhost. The second should point to the web server port if not 8080. The last one is the name of the web application directory if not AwareIM. These are used to form preview URL as follows:
http://WebServer:WebServerPort/WebAppBase/previewFile
previewFile is formed automatically