about XML for Analysis Provider

Xml
Access Analysis Services data through HTTP, SOAP, and XML;
Microsoft XML for Analysis Provider provides two methods based on XML communication: Discover and Execute
The Discover method obtains the metadata information of the XML Web service, including a series of available data sources;

The Execute method is used to execute an MDX query to obtain data or schema information.
Installation Requirements:
Operating system: Microsoft Windows®server 2003
-or-
Microsoft windows®2000 Server with Service Pack 1 (SP1) or later
Patches or software: Microsoft SQL server™2000 Analysis Services client components, with Service Pack 1 (SP1) or later
Microsoft Internet Information Services (IIS) 4.0 or later
Microsoft XML Parser (MSXML) 4.02
Proxycfg.exe is required for the sample applications to use Windows authentication.3
Set up virtual directory requirements: scripting and executing applications;