Re: Update Manager 5.1cannot perform scan on esxi 5.1

I think, this is not a first time, when VUM didn't find patches to new release of vSphere.

You can try to add URL to latest release: http://vibsdepot.hp.com/hpq/apr2013/index.xml

Source of this tip: http://communities.vmware.com/message/2233123#2233123

For more information about updating HP customized ESXi with VUM:

http://communities.vmware.com/thread/427759?start=0&tstart=0

http://alpacapowered.wordpress.com/2013/01/14/january-or-febuary-hp-esxi-updates/

http://alpacapowered.wordpress.com/2012/09/06/september-esxi-hp-updates/

http://alpacapowered.wordpress.com/2013/04/22/april-hp-esxi-bundle-update-fixes-smartarray-warning/