Sorry the details are as follows:
OS: Windows XP
IIS: 5 (I think)
Sitefinity: 4.1 SP2
DB: SQL Server 2008
I checked the Net tab in Firebug and noticed that the service extension SVC returned 404 not found, so that's the problem. But, the link you gave seems to be some other version of IIS, or perhaps I'm not understanding it.
- Open Internet Information Services Manager, by opining your Start Menu and clicking Run.
- Enter inetmgr and click OK.
- Expand your server node and click Web Service Extensions.
I don't see any Web Service Extensions? It looks like the instructions apply only from IIS 6 onwards.
Are there IIS 5 instructions?