SP Error

[Rod Widdowson]

> This is a complete SWAG, but you're probably not properly configured in IIS to set the SERVER_NAME variable that the SP must use to
> construct a wide range of URL's to function properly.  Why and how that could be misconfigured, I don't know.  

Right:

https://msdn.microsoft.com/en-us/library/ms524602(v=vs.90).aspx

You probably want to look very closely at you ISAPI configuration - It must be slightly installed or the module wouldn't be being called.