function CreateVM{
Param(
[Parameter(Mandatory=$true)]
[string]$VMName,
#can create a VM using an existing VHD template,if not create the new one.$VHDPath = Full path contains file name and extension.
$VHDPath
)
# VM Path
$VMPath = "C:\hyper-v\" + $VMName
# VM VHD Path
# Create VM --Memory 4GB --Generation 2 --boot up CD
New-VM -Name $VMName -MemoryStartupBytes 4GB -Path $VMPath -Generation 2 -SwitchName "Default Switch" -BootDevice CD
# judge VM path exist --inexistence,Create
if(!(Test-Path $VMPath))
{
New-Item -Path $VMPath -ItemType Directory
}
# use exist template VHD Create VM
if($VHDPath)
{
Copy-Item -Path $VHDPath -Destination $VMPath
Add-VMHardDiskDrive -VMName $VMName -Path $VHDPath -ControllerType SCSI
}
#if VHD inexistence, New VHD Create VM
else
{
$VHD = New-VHD -Path $VMHDPath -Dynamic -SizeBytes 100GB
Add-VMHardDiskDrive -VMName $VMName -Path $VHD.Path -ControllerType SCSI
# Set ISO
Set-VMDvdDrive -VMName $VMName -Path E:\ISO\en_windows_server_2019_updated_jun_2021_x64_dvd_a2a2f782.iso
}
# Set VM Processor Count and Disable AutomaticCheckpoints
Set-VMProcessor -VMName $VMName -Count 12 -ExposeVirtualizationExtensions $true -AutomaticCheckpointsEnabled $false
Start-VM $VMName
}
CreateVM -VMName H2019-DC01
Name State CPUUsage(%) MemoryAssigned(M) Uptime Status Version
---- ----- ----------- ----------------- ------ ------ -------
H2019-DC01 Off 0 0 00:00:00 正y常¡ê运?行D 9.0
PS C:\WINDOWS\system32>
