This tool can be used to monitor BizTalk Server 2004/2006 for suspended messages. Once a suspended message is detected, the message and the message context is written to disk for easy viewing.

Get more information from the original blog post on this topic:http://www.biztalkgurus.com/biztalk_server/biztalk_blogs/b/biztalk/archive/2005/03/09/wmi-suspended-instances-for-biztalk-server-2004.aspx