Set VMGuest Network

Get-VirtualSwitch -Name DistributedSwitch_NAME | Get-VirtualPortGroup | select name
Get-VM -name VMGuest_NAME | Get-NetworkAdapter | Set-NetworkAdapter -NetworkName "DistributedPort_NAME"

Export OVA vmware powercli

Get-VM VmGuestName  | Export-VApp -Destination "F:\path_to_file" -Format ova

VMware Powercli migrate vm ( vmotion)

Get-VM -Location source-esxi-host | Where-Object { $_.PowerState -eq "PoweredOn"} | Move-VM -Destination dest-esxi-host -RunAsync