even after adding a CookieContainer (see WorkflowWebService). The problem is that the cookie is never added to the response as this is done by WorkflowWebHostingModule http module. So to enable conversations just add the following to the web.config.
Connecting back up to a long running Workflow through a web service
23-11-2009 15:34:00 - 220.127.116.11
Provides a mechanism for routing the workflow instance ID to and from a WorkflowWebService to a cookie in the Web client. This class cannot be inherited.
23-11-2009 15:33:47 - 18.104.22.168