Everything else on the network ran Windows. A windows power user could sort-of admin a Windows network, it was easy. All the applications ran on Windows since V

Everything else on the network ran Windows. A windows power user could sort-of admin a Windows network, it was easy. All the applications ran on Windows since VB, Access, and Foxpro made it easy for people to build stuff. It's that simple. NT being an insecure, slow system that required a reboot every month didn't prevent it from taking over. And ten years later, Microsoft made most of those things better (but didn't fix them anywhere close to 100%)