About the McAfee Agent McAfee® Agent is the client-side component providing secure communication between McAfee® ePolicy Orchestrator® (McAfee® ePO™) and managed products. It also serves as an updater for McAfee products. Systems can be managed by McAfee ePO only if they have an agent installed. While running silently in the background, the McAfee Agent: Installs products and their upgrades on managed systems. Updates security content such as the AMCore Content Package associated with McAfee Endpoint Security. Enforces policies and schedules tasks on managed systems. Gathers information and events from managed systems, and sends them to the McAfee ePO server. New features in McAfee Agent 5.0McAfee Agent 5.0 architecture is single threaded and asynchronous based on services (messaging) architecture. In a messaging-based architecture the services communicate using a common language. This reduces the usage of system resources, such as number of threads, number of handles, memory, and CPU. McAfee Agent feature support The table lists the McAfee Agent features and its platform support.