The Remote Web Workplace component of SBS2008 requires Remote Desktop Client v6.1. This is installed with XP SP3 or Vista SP1. Until recently, users had to upgrade to XP SP3 to be able to use this. Microsoft have now released RDC v6.1 for XP SP2. You can download this here – http://www.microsoft.com/downloads/details.aspx?FamilyId=6E1EC93D-BDBD-4983-92F7-479E088570AD&displaylang=en
