Wow 29 views and not one cosiderate enough to offer a slight suggestion.
Well thank the web for other forums.
If anyone else needs this type of help here is an idea from TNT. They Rock!
Ok........heres what I would do buddy...........
1. Install the game on the 2 PC's with DVD drives...........(separately)
2. Copy the games files across Network to the remaining 2 PC's HD and install on each from the location you transfered to........
3. Go here and get the NoCD/Fixed exe for the Sims 2.........then copy as per instructions to each PC
4. Set up Network play as per in game instructions.
5. PLAY