For ePO - On-prem to communicate with a client system, the client system is configured with these components:
Windows operating system
Trellix Agent for Windows
The ePO - On-prem server can be configured to deploy Trellix Agent, Drive Encryption Agent, and the Drive Encryption product to client system using ePO - On-prem client tasks.
For more information, see the product documentation for your version of ePO - On-prem.