Using MSI command line switches (
These switches worked with SEP 11.x and with previous Symantec AntiVirus (SAV) 10.x installations.
Can vary. Most frequently, the install simply does not complete.
Verify that you are not using a command line switch that is no longer valid.
SEP 12.1.x makes the following changes to MSI command line switches:
See the KB articles listed in Related Articles for more information.
Following is a sample of the MSI command line switch code used to install the SEP 12.1 client when the installation fails. (Note: an installation from network share has never been recommended.)