This article discusses the essential network ports, protocols and services that are used by Microsoft client and server operating systems, server-based programs and their subcomponents in the Microsoft Windows server system. Administrators and support professionals may use this Microsoft Knowledge Base article as a road-map to determine what ports and protocols Microsoft operating systems and programs require for network connectivity in a segmented network.
http://support.microsoft.com/kb/832017/en-us
Article ID: 32, Created On: 12/7/2006, Modified: 10/20/2011