How to create a Silent Install package for Symantec Endpoint Protection (SEP) for Windows.
The silent installation of SEP is handled during the creation of the installation package. By default, client install settings included in SEPM are configured for unattended mode (Show progress bar only) and cannot be customized. However, you can create your own custom Client Install Settings. These settings define the options for the installation process itself, including the target installation folder, interaction mode, whether to disable installation logging, and restart settings, among other options.
To create a silent SEP install package:
For further details about Client Install settings, please consult our administration guide.
About the Windows client installation settings (broadcom.com)
Client Install Settings (broadcom.com)