Your management didn't realize potentials downtime, performance due to NT instabilities. NT is only good for a small development or prototype environment, all production should be on Sun. Are they prepare to reboot NT servers regularly and put up with slower response? Any any rate, NT will make you job much harder especially if you are a Unix guy not NT. It's much hard to diagnose on NT. Update your resume might be a good idea. It is sad to deal with management who doesn't understand or don't care about technology and try to play their own politics.