NOTE – Please review the CSV output from esxi-image-comparator.ps1 for a list a VIBS that the latest ESXi image overwrote from the older Dell ESXi image. Example network drivers.
ESXi 6.5 Dell Customized Image with build Build 5310538 aka 6.5d from April 2017
ESXi 6.5 Build Number: 5310538
Dell Version : A05
Dell Release Date : 06 Oct 2017
VMware Release Date: 18 April 201
Build 7388607 is not released from Dell. http://downloads.dell.com/published/pages/poweredge-m830.html
You still have to deploy new ESXi 6.5 hosts and rather not have 2 reboots via VUM for the lastest ESXi build and to install PowerPath.
End game – ESXi 6.5 ISO with build 7388607 December 2017 + October 2017 Dell Image + PowerPath 6.2