Drive Encryption offline activation Activating Drive Encryption on the client system is the most important phase in the Drive Encryption installation process. The activation process enables the client system to receive the required policies and user assignments from the McAfee ePO server for the first time. The Offline Activation feature allows you to activate Drive Encryption on a client system without connecting to the McAfee ePO server. How offline activation works To activate Drive Encryption on a system that has no network connectivity or no connection to McAfee ePO, you can create an offline activation package on the McAfee ePO server and later distribute it to the required client system. This package contains the initial set of policies and a list of offline users. Creating the offline activation packageThe offline activation package is used for activating Drive Encryption on a client system that is not connected to the McAfee ePO server. Performing offline activation The purpose of creating the offline activation package is to install and activate Drive Encryption offline on a client system that is not connected to a network or to the McAfee ePO server. Perform recovery tasks using DETech Every Drive Encryption client system that is activated using the offline activation package has a machine key, which is encrypted with the Key Server Public Key from the McAfee ePO server.