(See also http://www.sharepointassist.com/2009/01/08/sharepoint-workflow-failed-on-start-retrying/) Problem You’re developing a Windows Workflow Foundation (WWF) workflow and no matter what you do you get the Workflow “Failed on Start (retrying)” message. In my case I debugged over and over again only to see the TaskCreate method throw an exception (that you can’t capture) and fail. Solution Specify a token other than the default Workflow1 or top level token.&...