When connecting Windows 8 (release version) to Remote Web Workplace on a SBS2008 Server, get an error message  "The Wizard cannot configure Remote Desktop Connection Settings. Make sure that the client version of Remote Desktop Protocol (RDP) 6.0 or later is installed on this computer."

This RWW site enables RDP Client Control (redistributable) Version 4a, while connection to a SBS2011 RWW enables the RDP Client Control (redistributable)  version 7.