http://developers.de/blogs/damir_dobric/archive/2011/10/25/service-bus-messagequeue-error.aspxWhen working with Queues in AppFabric ServiceBus you might get following exception: It is not possible for an entity that has group support enabled to create a non grouped message receiver. This exception is caused usually by following line of code: MessageReceiverenCommunityServer 2008 SP1 (Build: 30619.63)