Instance Correlation in WF4

Correlation is a priceless feature of WF4 that allows you to correlate WCF messages of your workflow based on some unique data in a subsequent message. From a calling client’s perspective, the need for correlation looks would look like this: Client creates workflow instance with WCF message Workflow (service) responds …

Cannot create unknown type ‘{clr-namespace:MyActivityLibrary}MyCodeActivity’

I started seeing the following error in the AppFabric exceptions appearing during activation of my WF workflow. Cannot create unknown type ‘{clr-namespace:MyActivityLibrary}MyCodeActivity’ The workflow completed all the steps of MyCodeActivity and the other code activities in my activity library. WF never complained; it was only an error visible in AppFabric. …