When opening the IPS policy, you notice some signatures aren't available to create an exclusion for. You may notice this with both Windows and Mac exceptions.
New product names were missing in the parsing flow.
This issue is fixed in Symantec Endpoint Protection 14.3 RU3. For information on how to obtain the latest build of Symantec Endpoint Protection, see Download the latest version of Symantec Endpoint Protection.
ESCRT-4334