1. Download CD1 for the requested language . To obtain the release, read the document Obtaining an upgrade or update for Symantec Endpoint Protection 11.x or Symantec Network Access Control 11.x
2. Navigate to Admin - Install Packages on the Symantec Endpoint Protection Manager Console and choose the task "Add Client Install Package"
3. Specify a name for this package and browse the original installation media to \SEPM\PACKAGES
Choose SAV32.info or SAV64.info. Click OK to create the package.
4. Once the creation has been successfully completed it is possible to export this package to the clients..
ReferencesCreating new Client Installation packages in the Symantec Endpoint Protection Manager Console
"Obtaining an upgrade or update for Symantec Endpoint Protection 11.x or Symantec Network Access Control 11.x"