most likely you don't have your update task set to do the engine. verify the branch you're pulling from and your McAfee Agent settings for updates
Engine 6000 is still under managed throttled update regime; So this behaviour is expected.
See KB88809 for more information:Important information about the 6000 Anti-Malware Scan Engine update for Endpoint SecurityTechnical Articles ID: KB88809
Download the new ePolicy Orchestrator (ePO) Support Center Extension which simplifies ePO management and provides support resources directly in the console. Learn more about ePO Support Center
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