Most RecentMost ViewedMost LikesHelp! My Application only runs on a Single Processor system!First published on TECHNET on Feb 03, 2009 Given that multi-core / multi-processor systems are the way of the future, this might seem like an odd post for us to be writing.Application Compatibility - Session 0 IsolationFirst published on TECHNET on Apr 27, 2007 In Windows XP, Windows Server 2003, and earlier versions of the Windows operating system, all services run in the same session as the first user who logs on to the console.