[!WARNING] If you are using an express, and not a retail, version of Visual Studio, then you must install the Visual Web Developer 2010 Express edition to use Open Ria Services. Other express editions will not work.
[!NOTE] This upgrade is, in fact, optional as Open Ria Services SP2 will work with one of the versions of Visual Studio installed in accordance with the instructions above.
[!NOTE] It is not necessary to uninstall Silverlight 4 SDK, as Open Ria Services SP2 will work with Silverlight 5 SDK and Silverlight 4 SDK installed side by side on the machine.[!NOTE] Note that it is not necessary to uninstall earlier versions of Open Ria Services as the Open Ria Services MSI will upgrade earlier versions of the product.
[!WARNING] Earlier version of the Open Ria Services Toolkit must be uninstalled before installing the latest version.