Process: p2phost.exe

p2phost.exe is a process from People Near Me by Microsoft Corporation and part of Microsoft® Windows® Operating System. People Near Me (PNM) is a new capability of the Microsoft® Windows® Peer-to-Peer Networking platform for Windows Vista™ that allows applications to discover people connected to the local subnet and easily invite them into a collaborative activity. People Near Me provides a common user experience for sending and receiving invitations and application programming interfaces (APIs) for discovering people and publishing information.