Specifically I am using the downloads from Dell's website OMSA 10.1 and VMWARE "VSphere ESXi 7.0U2 Dell  Customized". Server is R630/IDRAC8 Enterprise

VMWARE now has the Dell customized ESXI image (for me 7.0.2) and the Dell support website has the OSMA 10.1 Bundle (zip file for VMWARE 7.02). I couldn't get the package to install thru the VMWARE GUI so I used ESXCLI: 

esxcli -s 192.168.50.171 -u root -p --thumbprint software component apply -d /vmfs/volumes/RAID5/OM-SrvAdmin-Dell-Web-10.1.0.0-4634.VIB-ESX70i_A00.zip

The above command successfully installed the package on the VMWARE 7.0.2 host and read "Reboot required: false". I rebooted the host anyway a little later (a couple of times). The package shows up in VMARE host's package list. So far so good

When I try to connect using the OMSA 10.2 app on My W10 PC, the connection times out. I have checked the "Ignore Certificates". I enter the IP of the VMWARE host and the root cred's. It just times out (different browsers, etc .. )

Not sure what else to check but I suspect it is on the VM Host side.