http://blogs.technet.com/beatrice/archive/2008/04/29/sql-server-default-trace.aspxI've just realized how poorly documented is this great functionality that has been introduced in SQL Server 2005 . On the Microsoft Website, all you can find is this article ( http://technet.microsoft.com/en-us/library/ms175513.aspx ) and few more information.it-ITCommunityServer 2.1 SP1 (Build: 61025.2)