#$cred = Get-Credential
# または
#（事前に Get-Credential | Export-Clixml $HOME\vm01-cred.xml でXMLを作成）
#$cred = Import-Clixml $HOME\vm01-cred.xml
# または
$username = ".\Administrator"
$password = "P@ssw0rd!"
$securePassword = ConvertTo-SecureString $password -AsPlainText -Force
$cred = [PSCredential]::new($username, $securePassword)


$vmName = "vm01"

# 設定パラメーター
$NewVMName    = "winsv01"
$ComputerName =  $NewVMName 
$AdminPasswd  = "nEwP@sw0D9"
$IPAddr       = "192.168.0.109"
$SubnetPrefix = 24
$GWAddr       = "192.168.0.1"
$DnsAddr      = @("192.168.0.202", "192.168.0.201")
$EnableRDP    = $true

$vm = Get-VM -Name $vmName -ErrorAction Stop
Write-Host "VM $($vmName) の設定を開始します..."
if (($vm.State -eq "Running") -and ($vm.HeartBeat -Like "Ok*")) {
  Invoke-Command -VMName $vm.Name -Credential $cred `
    -ScriptBlock {

# --- ScriptBlock ---
param($NAME, $PASSWD, $IP, $PREFIX, $GTW, $DNS, $RDP)

Write-Host "Administrator のパスワードを変更します。"
net user Administrator $PASSWD
Write-Host "コンピューター名を変更します。"
Rename-Computer -NewName $NAME -Force
Write-Host "ネットワークを設定します。"
$nic = Get-NetAdapter | Where {$_.Status -eq "Up"} | Select -First 1
# Remove Current IPv4 and GTW
Get-NetIPAddress -InterfaceIndex $nic.ifIndex -AddressFamily IPv4 | Remove-NetIPAddress -Confirm:$false
Get-NetRoute -InterfaceIndex $nic.ifIndex -AddressFamily IPv4 -DestinationPrefix "0.0.0.0/0" | Remove-NetRoute -Confirm:$false
# New IPv4 and GW
New-NetIPAddress -InterfaceIndex $nic.ifIndex -IPAddress $IP -PrefixLength $PREFIX -DefaultGateway $GTW
Set-DnsClientServerAddress -InterfaceIndex $nic.ifIndex -ServerAddresses $DNS
# Enable RDP
if ($RDP) {
    Write-Host "リモートデスクトップを有効化します。"
    Set-ItemProperty -Path "HKLM:\System\CurrentControlSet\Control\Terminal Server" -Name "fDenyTSConnections" -Value 0
    Enable-NetFirewallRule -Name "RemoteDesktop-UserMode-In-TCP"
    Enable-NetFirewallRule -Name "RemoteDesktop-UserMode-In-UDP"
}
# Restart Computer
Write-Host "再起動します。"
Restart-Computer -Force
# --- ScriptBlock ---

    } `
    -ArgumentList $ComputerName, $AdminPasswd, $IPAddr, $SubnetPrefix, $GWAddr, $DnsAddr, $EnableRDP 
    while ($vm.HeartBeat -Like "Ok*") {
      Start-Sleep 1
    }
    while ($vm.HeartBeat -notLike "Ok*") {
      Start-Sleep 1
    }
    Write-Host "VM の名前を変更します。'$($vm.Name)' > '$($NewVMName)'"
    Rename-VM -VM $vm -NewName $NewVMName
    Write-Host "完了しました。"
    if ($EnableRDP){
        mstsc /v $IPAddr
    } else {
        vmconnect localhost $vm.Name
    }
} else {
  Write-Host "VM $($vmName) がオフであるため、設定をスキップしました。VM を開始してから再実行してください。"
}