====== Virtual Machine Template (Windows) - Deployment and Customization ======

Param(
    [Parameter(Mandatory=$True)]
    [string]$VMName

)

$AdministratorPassword = "ChangeMe123!"

# Copy VHDX
$NewDiskPath = "D:\Hyper-V\Virtual Hard Disks\$($VMName.ToLower())-os.vhdx"
Copy-Item -Path "C:\Hyper-V\Virtual Hard Disk Template\win2025-template.vhdx" -Destination $NewDiskPath

# New VM
New-VM -Name $VMName.toUpper() -Generation 2 -MemoryStartupBytes 4GB -Path "C:\Hyper-V\Virtual Machines" -SwitchName "ConvergedSwitch"
Set-VMProcessor -VMName $VMName -Count 4
Set-VMFirmware -VMName $VMName -EnableSecureBoot On

# Attach Disk
Add-VMHardDiskDrive -VMName $VMName -Path $NewDiskPath -ControllerType SCSI
Set-VMFirmware -VMName $VMName -FirstBootDevice (Get-VMHardDiskDrive -VMName $VMName)



# Unattend
$Unattend = @"


  
    
      $($VMName.ToUpper())
    
    
      true
    
    
      false
      local
    
  
  
    
      
      
      
      0407:00000407
      
      en-US
      en-US
      en-US
      en-US
    
     
      
        true
        true
        true
        Work
        3
      
      
        
          $AdministratorPassword
          true</PlainText>
        </AdministratorPassword>
      </UserAccounts>
      <TimeZone>W. Europe Standard Time</TimeZone>
    </component>
  </settings>
</unattend>
"@


$Disk = Mount-VHD -Path $NewDiskPath -Passthru
$Partition = Get-Partition -DiskNumber $Disk.Number -PartitionNumber 3
If (-not $Partition.DriveLetter) {
	Set-Partition -DiskNumber $Disk.Number -PartitionNumber 3 -NewDriveLetter X	
}
$Partition = Get-Partition -DiskNumber $Disk.Number -PartitionNumber 3


$Unattend | Set-Content -Path X:\Windows\Panther\Unattend.xml -Encoding UTF8
$Unattend | Set-Content -Path C:\Users\Administrator\Desktop\LastUnattend.xml -Encoding UTF8

Dismount-VHD -Path $NewDiskPath 

# Start VM
Start-VM -Name $VMName 

# Wait VM provisioned
$Seconds = 0
$Stage = 0 
Do {
	$Seconds++
	Start-Sleep -Seconds 1
	$HeartBeat = Get-VMIntegrationService -VMName $VMName -Name "Heartbeat"  # https://learn.microsoft.com/en-us/powershell/module/hyper-v/get-vmintegrationservice?view=windowsserver2025-ps
	If ($Stage -in @(0, 2) -and $HeartBeat.PrimaryStatusDescription -eq 'OK') {
		$Stage++
	}
	If ($Stage -eq 1 -and $HeartBeat.PrimaryStatusDescription -ne 'OK') {
		$Stage++
	}
	Write-Host -NoNewLine "`rWaiting for VM to provision ($Seconds)[$Stage]"
} Until ($Stage -ge 3)


$Credential = New-Object System.Management.Automation.PSCredential ("Administrator", (ConvertTo-SecureString "$AdministratorPassword" -AsPlainText -Force) )


Invoke-Command -VMName $VMName -Credential $Credential -ScriptBlock {
	Get-NetAdapter | Rename-NetAdapter -NewName "Access_10.58.5.19_b24"
	Get-NetAdapter | New-NetIPAddress -IPAddress 10.58.5.19 -PrefixLength 24
	Get-Netadapter | Set-DnsClientServerAddress -ServerAddresses 10.4.21.181,10.4.3.50,10.4.3.51
}

</code>