While listed as a compatible combination, there are circumstances when the SISFIM module doesn't load in Data Center Security 6.9 when Symantec Endpoint Protection for Linux 14.3 is installed. When you check the logs for DCS, you see that it is detecting the presence of AutoProtect and choosing not to load this module.
Release : 6.9.0
Component :
This is caused by a safety mechanism in DCS designed to prevent a conflict between the AutoProtect functionality in the Anti Malware feature of DCS and the AutoProtect that's installed as part of SEP.