Each application event has a fingerprint which is used to associate similar log events with the same application event. There will only be one application event with a given fingerprint for a specific application.
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2