Disable Hyper-V VM PXE Boot

Disable-VmPxeBoot.ps1

param(
[Parameter(Mandatory=$true)][string]$VMName,
[Parameter(Mandatory=$false)][string]$ComputerName = $env:computerName
)
#based on http://serverfault.com/questions/619763/can-pxe-boot-of-hyper-v-vms-be-disabled
$old_boot_order = Get-VMFirmware -VMName $VMName -ComputerName $ComputerName | Select-Object -ExpandProperty BootOrder
$new_boot_order = $old_boot_order | Where-Object { $_.BootType -ne "Network" }
Set-VMFirmware -VMName $VMName -ComputerName $ComputerName -BootOrder $new_boot_order