Install the product extensions on the ePO - On-prem server.
The Trellix FRP extension contains the product settings that are enforced on the client systems.
Log on to the ePO - On-prem server as an administrator.
Select Menu → Software → Extensions → Install Extension.
For each extension file, click Browse, select the file, then click OK.
FRP-extension-5.x.x.xxx.ziphelp_eeff_5xx.zip
The Install Extension page displays the extension name and version.
Click OK.