If you only want to change the behavior of the install components (setup.exe, acu.exe, and cuagent.exe), you do not need to create a Novell Client properties file. All you need to do is open the install.ini file, located in the root directory of the Client build (C:\Novell\Novell Client for Windows-2008), make the desired changes, and save it. When the install components run, they read the file and change the appropriate behavior.
The Install.ini file lets you configure the following settings: