On the windows servers, open a command prompt and run 'netstat -n -a'
You should see a line something like TCP 0.0.0.0:3690 0.0.0.0:0 listening If it is not there, the server is not running or it is running on the wrong port. If it is there, you have a routing or firewall issue You can also try 'telnet 127.0.0.1 3690' right on the server JLM