Upgrading and restoring agents If you have an older version of the agent installed in your environment, you can upgrade to the latest version when you install the latest version of 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. Note: It is not mandatory to update McAfee Agent key updater when you upgrade McAfee Agent to a new version. If needed, run the agent key updater task to get new keys. 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 Upgrading vs. updatingUpgrading implies installing a newer version of the existing software and updating implies changing the data. Upgrade McAfee Agent with 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 UbuntuYou must manually upgrade an agent running in unmanaged mode on Ubuntu systems. Restore a previous version of the agent on Windows systemsYou can restore the previous version of the agent on Windows systems from McAfee ePO. Restore a previous version of the agent on non-Windows systemsYou can revert to the previous version of the agent, by uninstalling the current agent and installing the version you need.