Can you post the contents of your mms.cfg file?
It is very simple content, and it was saved as UTF-8 format has requested by the admin guide.
At first i was inserting other settings like silentautoupdate autoupdatedisable to see if it was applying. It seemed to apply.
My mms.cfg file,
Nothing change in the web site list. I am always prompt with the Adobe Flash player settings Privacy windows asking me to Allow or Deny the site.
Based on the Admin guide, page 24,
you need to set AVHardwareDisable to 1 not 0 when setting AVHardwareEnabledDomain. i.e. your mms.cfg file should include the following:
Also one clarification. The privacy pop-up dialog will appear at least once for evey site allowed. Only the user can check the remember checkbox so the dialog will no longer pop-up for a particular site. The user can also adjust these settings in the Flash Player control panel.