http://developers.de/blogs/damir_dobric/archive/2009/04/19/net40-workflow-activity-and-instance-states-of-workflow-service.aspxThis post shortly describes all different states of one workflow, activity and instance of .NET 40 Workflow Service. In general these states are produced as tracking records of so called WF and WCF tracking subsystems. States of Workflow Foundation TrackingenCommunityServer 2008 SP1 (Build: 30619.63)