>Lack of support for Windows NT 4 would be a major show stopper for us, as this OS is still the predominant network OS throughout our client base. You can persuade a user to upgrade a workstation from Win95, but upgrading a network is an entirely different proposition.
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>I can live without official support for NT4, or even various functions not working, but let us hope Microsoft do not disable operation under NT 4. VFP 8 looks extremely promising, but I am not going to throw away clients to go there.

In most cases a VFP app is not running on the network server(s), it runs on the workstations. NT4 should continue to work fine as a file server for VFP8 apps running on the workstations.

I'd imagine few users are still running NT4 workstations; they are typically power users who would have upgraded to W2K or XP long ago.