What a f'n bummer!!!!! I feel like such a shmuck for believing.
preface:
I removed windows from my work place desktop and installed linux many moons ago. fast forward a few months and I decided to install a windows VM on it for testing things and opening M$ files. Instead of using the company standard image installed by XCAT/WKPG which installs windows 7 pro by default, i told it to install Ultimate. just wanted to see what the differences were, which I couldn't, till today.
One of our challenges we continue to have here is dealing with cross platform/protocol ACLs maintenance on ZFS file systems.
While talking to a vendor they mentioned a shop they knew of that turned off CIFS entirely and were running NFS on all their windows machines. NFS for windows has been out for a long time but this was the first I ever heard of a large shop standardizing on it and enjoying life.
After doing some research it turns out NFS on windows 7 is quite good and 'compliant'.
So i enabled the feature on my windows VM, installed the SDK/UNIX tool download from M$'s site, turned off every trace of SMB/CIFS, then started mounting all our exports via NFS and mapping them to drive letters. it worked wonderfully. UID/GID's worked out of the box (after ticking a box). it respected ACLs, things appeared to be good in the hood.
So then I send an email to my group and say "do a limited deployment and take the test to the next level".