I recently encountered an issue when developing a BizTalk Server 2010 solution using Visual Studio 2010. When selecting to add a new item to a project, the schema item was missing in the Visual Studio dialog box: I fixed this issue by repairing the Visual Studio 2010 installation as follows:Open Control Panel and select Programs and FeaturesFind the listing for the edition of Visual Studio you are having a problem with and select it.Select to Uninstall/Change from the top of the program listing.In ......