Hosting Workflow Services in Azure under multiple Service Instances

I ran into an interesting issue with Workflow services hosted in Azure. When I had enabled more than one service instance my Workflow service started failing with the error: “A value of the wrong type was retrieved from the instance store. A value of type {/INSTANCE_1/Workflow/}myWFCloudService.xamlx was expected, but a value of type {/INSTANCE_2/Workflow/} myWFCloudService…