Q: What is a VMware verified controller utility?
A VMware verified controller utility is a specific version of the controller utility, that VMware has verified the controller firmware update function with. For every VMware certified controller firmware that Update Manager supports updating, there is a VMware verified controller utility which Update Manager will use to flash the controller.
Q: Who is likely to be affected by this issue?
If customer has used Configuration Assist to install controller utility or update firmware, or manually installed controller utility, customer is more vulnerable to this issue, as long as the vendor has a new but incompatible version of controller utility listed in VMware Compatibility Guide that is being consumed by the vSphere Update Manager.
Q: How can I determine which version of the controller utility is compatible with vSphere Update Manager?
Every certified controller firmware has an associated controller utility, to determine the exact controller utility that Update Manager will use to update firmware, user can navigate to the Download vendor firmware tool page to get the utility download link for confirmation.