Not really, it's just I would want this pre-configuration of my network connection to be effective, not a big deal if not but it would be cool.... In fact I need to have the same IP for all the computers I'm deploying with NLite, whatever its mac address is... I know it must look like it doesn't make sens so let me explain you quickly what's the point of this : I'm in a little structure with some very different kind of users, and I'm using NLite to have a tweaked CD of windows for all my type of computers, that's why I'm happy to use NLite to easily and quickly integrate new drivers, make a lot of presets and to remove every boring stuff which are still refurbished by M$ for our pleasure . For many bad and good reasons, after this fresh install I need to have always the same IP to reach the server where my applications are stored, then I'm doing all my others tweaks and post-installation tasks and then I'm doing a master from this... Quite complicate I know but I can't actually protect my server otherly than by IP-filtering Yes why not... But complicating the all stuff like you said, and more important : I'm pretty sure my previous install CD done with NLite was configuring my network connection properly without any mac address registered anywhere But ofcourse not able to test it right now, will tell you in one or two days... In fact it's about the full automation of the first start which is also not anymore effective You too, and thanks again for your time STF