A list of logging targets. If no logging targets are defined in the web.config, app.config or a log.config here are the default targets:
Winform application or Windows Service - Console and a Log.txt file in the current directory
ASP.NET application - Response.Write
Web Services or WCF - None
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