Microsoft says that their 'TS Web Access' (Terminal Services Web Access) component for Internet Explorer will work under XP, but only after you install Service Pack 3. See attached image of message.
The link they provide goes to: http://support.microsoft.com/kb/943887/en-us
The reason, they say, is that SP3 installs 'Remote Desktop Connection (RDC) client version 6.1' which is required. However, after installing SP3 . . . nothing changes . . . the same message appears.
Anyone have an ideas on how to solve this?