It is a tracing tool - here is an example of analysing lock timeouts - <a href="http://www.sqlserver-dba.com/2012/10/sql-server-find-queries-causing-lock-timeouts-per-second.htmlJack">http://www.sqlserver-dba.com/2012/10/sql-server-find-queries-causing-lock-timeouts-per-second.htmlJack</a> Vamvas--------------------http://www.sqlserver-dba.com