Re: Esxi update

i think it's 5.0.0.0 u2 may be

my question  is why it was not updated to  5.1 u1 latest

How did you update whether using ISO image or through Web or Depot.

can we update esxi 5.0.0.0 to 5.1 latest by using v center update manager??

Yes you can update to 5.0 to 5.1 using UM

KB: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2032757

Wall of Sheep — How to upgrade ESXi 5.0 to 5.1 without errors using the command line.