Intel is investigating possible resolutions. In the meantime, displays of vSAN health check warning for the P4500 recommending the firmware of a P4510, can be safely ignored. No action is required.
For additional information, contact Intel support.
Workaround
To upgrade the cluster:
Another option is to manually upgrade the ESXi hosts via command line. Refer to “esxcli software vib” commands to patch an ESXi 5.x/6.x/7.x host.