Assembly: Microsoft.Xna.Framework (in microsoft.xna.framework.dll)
Behavior of Local Sessions
XNA Game Studio 3.0 introduces a change in the behavior of network sessions when local profiles sign out in the middle of a session. In previous versions of XNA Game Studio, a session would end whenever a player signed out. Now, profiles that sign out are removed from the session, and the session will be ended only if there are no suitable players left in the session.