With the components of Microsoft Provisioning System, you can implement XML-based transaction processing that supports provisioning for a range of Web-based services. Together, the components and infrastructure of Microsoft Provisioning System provide support for several key services. You can use these services in different combinations to support specific deployment scenarios, including provisioning for Active Directory directory services, Microsoft Exchange 2003 messaging and collaboration services, Microsoft Office Live Communication Server, Microsoft Windows SharePoint Services, and Internet Information Services (IIS).