Read KB66698 before you do anything:
https://kc.mcafee.com/corporate/index?page=content&id=KB66698"VirusScan Enterprise 8.7i ePolicy Orchestrator Policy Migration Tool fails with ePO 4.5""
Problem The VirusScan Enterprise 8.7i ePolicy Orchestrator (ePO) Policy Migration Tool does not work with ePO 4.5:
Policy settings are not propagated from VSE 8.5i to VSE 8.7i.
The My Default policies in all categories are removed for VSE 8.7.
Solution This issue has been identified and will be addressed as soon as possible.
Until a solution is available, McAfee advises customers to not use the VirusScan Enterprise 8.7i ePO Migration Tool with ePO 4.5.
This article will be updated as information becomes available."
Oh dear, doesn't anybody test anything these days?
Phil