ESXi Upgrade from Version 5.5 to 6.5 Fails

During the upgrade process from 5.5 to 6.5 (using the ISO method), I ran into the following error:

The vib listed as the problem was HUAWEI_bootbank_hio_2.0.0.42-1OEM.550.0.1331820

The next step was to cancel the upgrade process and reboot back into 5.5. Once you are back into ESXi, bring up the console and list all installed vibs by using the following command (pipe in the more command to break the list into pages):

In this particular case the problematic vib was called hio

To remove it, initiate the following command:

Once it completes, reboot for the removal to cleanly take effect. Then reboot again and boot off your ISO installer to restart the ESXi upgrade process.