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Continue to ChatHowto Update vCenter and ESXi Hosts to vSphere 5.5 https://www.virten.net/2013/10/howto-update-vcenter-and-esxi-hosts-to-vsphere-5-5/
Howto Update vCenter and ESXi Hosts to vSphere 5.5 https://www.virten.net/2013/10/howto-update-vcenter-and-esxi-hosts-to-vsphere-5-5/