According to KB929851 the dynamic range of TCP/UDP ports to be used by applications on Vista or Win2k8 has changed from 1025 to 5000 to 49152 to 65535. The port ranges can be viewed by using the following commands: •netsh int ipv4 show dynamicport tcp...
TCP/IP Configuration Settings Changes to TCP/IP Registry Values Settings Configurable Using the Registry Editor Settings Configurable from the User Interface Download here.