Hanewin NFS server
Hanewin NFS server miniguide - using static internal ip setup
Remember this is trialware, registration is 30 Euro.
This has been used successfuly on XP, Vista and Windows 7 including 64 bit.
Download and install Hanewin http://www.hanewin.net/nfs-e.htm
Create these exceptions in the windows firewall, or your alternative, to open up the ports needed by Hanewin
Run Hanewin NFS server and setup these settings
Click on Edit Exports File
Edit the text file with your shares and close the text file
Click restart server - and the server should now show you the shared NFS folders
On your NMT, select the network browser, select NFS server. Wait a couple of seconds while the NMT locate the NFS server and you will be presented with the IP adress of the computer where the NFS server are running. Open it to see the shared NFS folders.
For detailed instructions on setting-up NFS shares on Windows Home Server using Windows Services for Unix, see these instructions: http://www.mediasmartserver.net/2009/12/11/guide-setting-up-nfs-in-whs/