Copied from:
http://www.microsoft.com/whdc/system/bus/1394/IP_1394.mspx
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Discontinued Support for IP over 1394
Updated: December 8, 2004
In future versions of the Windows operating systems, Microsoft plans to
discontinue support for IP over 1394 (that is, TCP/IP over IEEE 1394).
Currently, this capability is supported in Microsoft Windows Server 2003,
Windows XP, and Windows Me. Microsoft has not identified any customer
dependency on this capability. If you are an IHV or OEM who has a business
dependency on this capability, please provide feedback to
(e-mail address removed).