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Production Blueprint · Industry-standard pattern

Windows enterprise: identity, patching and a web farm

How a Windows estate is held together: Active Directory gives every server an identity and Group Policy configures it, WSUS controls how patches roll out, IIS servers sit behind a load balancer so one can be patched at a time, and event logs flow to a central place.

Active DirectoryGroup PolicyDNSWSUSIISLoad balancerWindows Event ForwardingLog platform

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Here is what's inside:

  • How the estate fits together
  • Patching the web farm without an outage
  • What each piece is for
  • Where it goes wrong
  • The interview talk track
  • What I'd improve next

Want to see what a full blueprint looks like first? Read: .NET 8 + Angular 20 on Azure Windows VMs