Exchange server '{0}' is running on a 32-bit version of the Windows operating system. The 32-bit version of Exchange 2007 ...

Exchange server '{0}' is running on a 32-bit version of the Windows operating system. The 32-bit version of Exchange 2007 is provided for testing and training environments only. It isn't supported for production environments. In production environments, you must install the 64-bit version of Exchange Server 2007. Click on the link 'get help fixing this issue' in the actions pane located on the right side of the screen for assistance.