I am playing around with the Oracle 11g ODP.NET stuff and the Visual Studio 2010 integration. I am trying to create and entity data model, but I am connecting to a RAC cluster with a TNS Less connection string (Example at bottom). Previously I've had to use Oracle's OLE DB drivers to connect, however I would love to be able to leverage the Entity Framework in my next project. When I go to create a new connection in my VS project, the Connection Properties dialog pops up with option to choose the Data Source. I choose Oracle, but then I don't see a way to connect in the way that I have to. Any help would be appreciated. Thank you.