When using the -s switch for the Mac installer, the uiaconfig.xml file is not created correctly, causing the -s switch not to work.
This is fixed in version 10.0.3.2 - see KB 7000756 "ZENworks 10 Configuration Management HotFix 10.0.3.2" which can be found at https://www.novell.com/support
1 - At Terminal prompt on OSX machine issue command "sudo systemstarter zenumia stop"
2 - Change directory to /usr/local/novell/zenworks/umia
3 - Issue command "sudo vi uiaconfig.xml"
4 - Edit line that will look like either '
5 - At Terminal prompt on OSX machine issue command "sudo systemstarter zenumia start"