fonte: http://northtech.co/microsoft/windows-xp-client-and-windows-server-2012-r2/ If you are still running a combination of Windows XP and Windows 7 client machines you may come across an issue when introducing your first Windows 2012 R2 Domain Controller server into your environment that your Windows XP clients no longer run login scripts.  The problem is to do with the versions of SMB which is supported.. Read More