The original script to install Symantec Client Security 2.0 will not execute in a silent installation.
Original script.
msiexec /i "Symantec Client Security.msi" WSCAVALERT=0 WSCFWALERT=0 setup.exe /s /v" /qn INSTALLSERVER=0 MIGRATESETTINGS=0 REBOOT=ReallySuppress"
Modified script.
The modified script includes ‘cmd /c‘. To see more values use this cmd /?
cmd /c SCS.msi /qn LIVEUPDATE=0 MIGRATESETTINGS=0 REBOOT=REALLYSUPPRESS