You could probably provide the compatibility on an NT 3.1 kernel if you tried hard enough. After all that's where it all started; newer versions just added more services and made a stupid mistake of putting the GUI in kernel space (while it increased performance of the GUI significantly, it also means the OS is now more vulnerable to crashes)

On Sat, 13 Nov 2010 13:10:37 +1100, Ged Murphy <gedmurphy@gmail.com> wrote:

The target is only win2k3 in the kernel. Everything else is open to discussion (in fact, IMO even the kernel compatibility is open to discussion)

You should, and must, provide as much functionality as possible with the latest versions of Windows.
You can still provide many of the capabilities of Windows 7 using only an NT5.2 kernel. It's only the internal architecture which limits this, and in terms of many win7 capabilities, this kernel isn't a limiting factor.

2010/11/13 Jérôme Gardou <jerome.gardou@laposte.net>

As our target is win2k3 sp1 compatibility,



--
Give a man a fish and he will eat for a day.
Teach a man to fish and he will eat for a lifetime.
Give a man religion and he will die praying for a fish.