Do you love sniffing packets? The new nework monitor from Microsoft has been released.
http://www.microsoft.com/downloads/details.aspx?FamilyID=983b941d-06cb-4658-b7f6-3088333d062f&displaylang=en
Service overview and network port requirements for the Windows Server system
http://support.microsoft.com/default.aspx?scid=kb;en-us;832017
add this to the old standby wireshark
http://www.wireshark.org/