vSphere: Update Manager - Cannot run upgrade script on host

Ran into this problem on about 3 hosts when upgrading from 5.0 to 5.5.



 2 of the hosts were resolved following this KB:
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2007163

KB basically states to check /altbootbank or /bootbank and move the file located in stage.xxxxxxx the the directory above it.

1 of the hosts required the KB above in addition to uninstalling the FDM agent by doing the either of the following:
Remove Host from HA (This removes the fdm agent, use command lines below if needed)
or
cp /opt/vmware/uninstallers/VMware-fdm-uninstall.sh /tmp
chmod +x /tmp/VMware-fdm-uninstall.sh
/tmp/VMware-fdm-uninstall.sh

Reference Sources:

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