Error by registering of custom behaviorhttp://developers.de/blogs/damir_dobric/archive/2007/01/22/Error-by-registering-of-custom-behavior.aspxDuring development of custom behavior you may get following error: Extension element 'myEndpointBehaviorExtension' cannot be added to this element. Verify that the extension is registered in the extension collection at system.serviceModel/extensions/behaviorExtensionsenCommunityServer 2008 SP1 (Build: 30619.63)