Problem: The user is unable to edit the vApp while running the vApp on an ESX host.
Cause: The user is likely using the free VMware Hypervisor without deploying VMware vSphere Server.
Solution: The virtual hardware version many need to be changed to allow this functionality.
Follow the ESXi Enable Edit Settings steps to modify the virtual hardware version.
Please note that the vApp supports virtual hardware version 9 or higher.