When starting the Remote Desktop Web Connection window after installing Windows XP Service Pack 3, the following error may occur:
Remote Desktop Web Connection ActiveX control could not be installed. A connection cannot be made without a working installed version of the control. Please contact the server administrator. Note:  The Connect button remains grayed out, as well. This behavior is due to the Microsoft RDP ActiveX Control being disabled installing Windows XP Service Pack 3 or Windows Small Business Server 2003 SP1 on your machine. It’s important to note that you may see other symptoms, as well.  These symptoms include: If the user tries to enable the ActiveX control using the Manage add-ons dialog in Internet Explorer, the Microsoft RDP Active control may not be listed. This can happen if a machine is built from an OS image with...