Change localisation of virusdefs

Hi,

I am looking up how to change the directory containing the virusdef (C:\ProgramData\Symantec\Definitions\VirusDefs).

I want this directory is , from the installation, on my D:/. I tried creating an installation package indicating that he had to install on the D: / but VirusDefs are always on my C:/.

I succeeded in creating a symbolic link, but I am not to have to.

Any ideas ?

Benjamin