PNRP was first mentioned during a presentation at a P2P conference in November 2001. It appeared in July 2003 in the Advanced Networking Pack for Windows XP , and was later included in the Service Pack 2 for Windows XP. PNRP was introduced with Windows Vista and is available for download for Windows XP Service Pack 2 users.  PNRP is included in Windows Vista SP1, Windows Server 2008 and Windows XP SP3. PNRP v2 is not available for Windows XP Professional x64 Edition or any edition of Windows Server 2003 .