WSUS Client Architecture

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WSUS Client Architecture

The following figure shows how the secure Microsoft Windows Server Update Services (WSUS) client architecture provides:

  • Microsoft Win32 Service (Agent) - Implements most functionality
  • Extensible architecture - Based on update type handlers
  • Handlers - For MSI, update.exe, drivers, and so on
  • Automatic Updates feature - Controllable by policy


Figure: WSUS client architecture