Here is the file I used.
0_1486506949560_SetupComplete.cmd
Place your SetupComplete.cmd in %windir%\Setup\Scripts
(you will nedd to create the scripts folder.)
Copy your unattend.xml to %windir%\system32\sysprep\
hit windows key and S, type service, click on services, find FOG and right click and select propereties, select disable click apply.
hit the Windows key and R to open the run box, type in sysprep.
double click the sysprep icon.
Hope it works for you.