WSUS Server Architecture

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WSUS Server Architecture

The following figure shows how the Microsoft Windows Server Update Services (WSUS) server architecture is a secure and scalable system that provides:

  • Simple-to-use Web UI - Allows administration from any computer
  • Synchronization engine - Downloads updates from Microsoft Update
  • Microsoft SQL Server-based database - Holds all data other than content (software files)
  • Background Intelligent Transfer Service (BITS) - Used to efficiently utilize the network


Figure: WSUS server architecture