http://developers.de/blogs/damir_dobric/archive/2008/04/22/workflow-services-error-quot-operation-is-not-implemented-by-the-service-quot.aspxWhile invoking an operation on the workflow&#39;s web service you may get following error: &quot;Operation is not implemented by the service.&quot; To solve the problem take a look on the ContextToken property of the receive-activity of the workflow serviceenCommunityServer 2008 SP1 (Build: 30619.63)http://developers.de/blogs/damir_dobric/archive/2008/04/22/workflow-services-error-quot-operation-is-not-implemented-by-the-service-quot.aspx#221068Mon, 14 Nov 2011 16:14:55 GMT7e491611-45ad-4dae-a68f-c4cb64439510:221068Damir dobric | Greatfarestran<p>Pingback from &nbsp;Damir dobric | Greatfarestran</p> <img src="http://developers.de/aggbug.aspx?PostID=221068" width="1" height="1">http://developers.de/blogs/damir_dobric/archive/2008/04/22/workflow-services-error-quot-operation-is-not-implemented-by-the-service-quot.aspx#2548Sun, 27 Jul 2008 18:55:39 GMT7e491611-45ad-4dae-a68f-c4cb64439510:2548Workflow Services error: "Operation is not implemented by the service" « Patrick’s Bytes<p>Pingback from &nbsp;Workflow Services error: &quot;Operation is not implemented by the service&quot; &laquo; Patrick&#8217;s Bytes</p> <img src="http://developers.de/aggbug.aspx?PostID=2548" width="1" height="1">