Upgrading and restoring agents If you are using an older version of McAfee ePO and have previous agent versions in your environment, you can upgrade those agents once you install your new McAfee ePO. Periodically, McAfee releases newer versions of the agent that can be deployed and managed using McAfee ePO. When the agent installation package and the extension are available, you can download it from the McAfee download site or the Software Manager. Check in the installation package to the Master Repository and install the new extension, then use the Product Deployment task to upgradeMcAfee Agent. You can create a customized McAfee Smart installer to upgrade McAfee Agent on the client systems. You can upgrade from McAfee Agent 4.6.x or 4.8.x to 5.0.0. Note: If you're using McAfee Agent 4.5.x or an earlier version, upgrade to 4.6.x or 4.8.x, then upgrade to 5.0.0. Upgrading vs. updating This document refers upgrading as installing a newer version of the existing software and updating as changing data. Upgrade McAfee Agent using a Product Deployment taskYou can use the Product Deployment client task to upgrade McAfee Agent for a group of systems on McAfee ePO. Upgrade an unmanaged McAfee Agent on Ubuntu Upgrading a McAfee Agent running in unmanaged mode on Ubuntu must be done manually. Restore a previous version of the agent on WindowsYou can restore a previous version of the agent in a Windows environment. You might do this after testing a new version of the agent. Restore a previous version of the agent on non-Windows systemsRestoring a previous version of the agent on non-Windows systems involves uninstalling the current agent version and installing the previous one.