Removing a VHD From A VM Using The Hyper-V WMI V2 Namespace

$vmName="Test"$vhdPath="d:\vms\Test.vhdx"#Retrieve the Hyper-V Management Service, ComputerSystem class for the VM and the VM’s SettingData class. $Msvm_VirtualSystemManagementService= Get-WmiObject -Namespace root\virtualization\v2 `-Class Msvm_VirtualSystemManagementService $Msvm_ComputerSystem= Get-WmiObject -Namespace root\virtualization\v2 `-Class Msvm_ComputerSystem -Filter"ElementName='$vmName'"$Msvm_VirtualSystemSettingData= ($Msvm_ComputerSystem.GetRelated("Msvm_VirtualSystemSettingData", `"Msvm_SettingsDefineState", `$null, `$null, ` "SettingData", `"ManagedElement", `$false, $null) |% {$_}) #Find the VirtualDisk with the path specified$virtualHardDisk=$Msvm_VirtualSystemSettingData.GetRelated("Msvm_StorageAllocationSettingData") | Where-Object {
    ($_.HostResource -contains$vhdPath)} #Save the associated Disk Drive$SyntheticDiskDrive= [WMI]$virtualHardDisk.Parent#Call the RemoveResourceSettings function with the path to virtual hard disk$Msvm_VirtualSystemManagementService.RemoveResourceSettings($virtualHardDisk)#Call the RemoveResourceSettings function with the path to disk drive$Msvm_VirtualSystemManagementService.RemoveResourceSettings($SyntheticDiskDrive)