Make sure your ePO - On-prem server is updated to the latest version.
For more information, see the Trellix ePolicy Orchestrator - On-premises 5.10.0 Installation Guide and Trellix ePolicy Orchestrator - On-premises 5.10.x Release Notes.
On your server, extract the ePO - On-prem updater file.
Start
ePOUpdater.exeand continue with the installation.Log off your server and log back on again.
Your ePO - On-prem server is now up to date.