problem on risk notification

Hi,

I use symantec endpoint since some time, but, i found something i don't understand.

In the Endpoint management console, i have create a mail notification when a risk is found in a computer managed.

But, i only reveive a mail when a risk is detected on a local drive. When something is detected in removable media, nothing is send.

Is-it the normal functionning ? how to receive notification in both cases ?

Thank for your answer.

G.D.