Crystal Reports Merge Modules
Crystal Reports uses merge modules to ensure the correct report components and assemblies are installed with your deployment project.
A merge module is a set of components that are merged with a Windows installer for applications that need them. The components may include a .dll file, resources, registry entries, setup logic, and related files. With all related components stored in a single container, the installer eliminates version conflicts and other common installation problems.
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In Crystal Reports for Visual Studio 9.0 Beta 1, each merge module is designed for different machine types and project types.