AWS EC2 userdata script to set Windows admin password

userdata.ps1

<powershell>

$windows_admin_password="mypassword"

function log {
    echo $args[0] | out-file -append c:\bootstrap-status.log
}

log "Setting Windows password"
$admin = [adsi]("WinNT://./administrator, user")
$admin.PSBase.Invoke("SetPassword", $windows_admin_password)

</powershell>