Usage and Billing for Windows Azure Pack has four components. All of these can be installed from their respective installers:
  1. 1.
    API Service – IIS Web Application
  2. 2.
    Aggregation Service – Windows Service
  3. 3.
    Admin Extension – Windows Azure Pack Admin Portal Extensions
  4. 4.
    Tenant Extension – Windows Azure Pack Tenant Portal Extensions
These components can be installed on the same machine or multiple machines.