With PowerCLI, you can create and manage virtual appliances.

Connect to a vSphere server.

1

Create a new virtual appliance named VApp on a host.

New-VApp -Name VApp -CpuLimitMhz 4000 -CpuReservationMhz 1000 -Location ( Get-VMHost Host1 )
2

Start the new virtual appliance.

Start-VApp VApp