Windows Azure ServiceBus Connect setuphttp://developers.de/blogs/damir_dobric/archive/2011/12/18/windows-azure-servicebus-connect-setup.aspxWhen installing ServiceBus Connect feature (a peace of Cloud Middle-Ware) following three artifacts will be installed: 1. Developer SDK 2. Runtime 3. Management tools Developer SDK You need it for VS to develop EAI applications. Developer SDK containsenCommunityServer 2008 SP1 (Build: 30619.63)