You have a situation where the service accounts for Symantec Endpoint Protection (SEP) for Linux need to be a specific UID.
SEP for Linux 14.3RU8+
To set a specific UID for the SEP for Linux service accounts the following steps will need to be done prior to installing SEP for Linux:
mkdir -p /opt/Symantec/sdcssagent/
groupadd -g 900 sisips
groupadd -g 901 dcscaf
groupadd -g 902 avdefs
useradd -c "SDCSS_User" -u 800 -g 900 -d /opt/Symantec/sdcssagent/IPS sisips
useradd -c "CAF_User" -u 801 -g 901 -d /opt/Symantec/cafagent dcscaf
./LinuxInstaller/