The Reporting Services WMI provider is built on standard Windows Management Instrumentation (WMI) technology for accessing control and management information in an enterprise environment. The WMI provider for Reporting Services serves as an instance provider, mapping the report server XML configuration elements to a set of classes, which include methods that you can call to add, remove, or modify report server configuration information.
Concepts
Introducing Reporting Services Programming
Other Resources
Report Server Web Service
Help and Information
Getting SQL Server 2005 Assistance