As per logs framepkg.exe containing embedded credentials, try to use normal framepkg.exe and install with command line including /install=agent /forceinstall command.
Moved provisionally to VSE as a better spot.
Normal frame package file location on your ePO server.
Frame package file location :
ePO installation directory\McAfee\ePolicy Orchestrator\DB\Software\Current\EPOAGENT3000\Install\0409
File name: Framepkg.exe