MDT 8443 / W10 1703 auto login issue

Create powershell script

$RegPath = "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon"
Set-ItemProperty $RegPath "AutoAdminLogon" -Value "1" -type String  
Set-ItemProperty $RegPath "DefaultPassword" -Value "Password" -type String

Place it high in the State Restore.