Windows Component-Based Servicing（CBS）：- An In-Depth Overview - Windows Image Building Process

Aug 30, 2026

Upload by Liam

Windows Component-Based Servicing (CBS) is presented as a detailed view of how Windows operating system images are assembled via the component-based servicing stack. The document walks through the image building lifecycle, from pre-staging and foundation image creation to package resolution, feature packaging, and component installation. It also covers certificate chains, language pack installation, unattended setup datafiles, and servicing-state considerations, concluding with changes since Windows 7 and runtime-specific servicing stack updates.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages17

Reading Time43 min

AccessFree to download

Introduction

Image Building Process

Post-Build Binary Spew, Windows Foundation and Preparation

Daily Build Cycle

Certificate Chains

Foundation Image Creation

Resolving Packages

Feature Packaging

Pre-Staging

Staging and Component Installation

Final Steps

Language Pack Installation

Windows Setup Unattended Datafiles

Amendments Made Since Windows 7

Conclusion

Citations

Windows Component-Based Servicing (CBS): An In-Depth Overview Understanding the Intricacies of the Windows Image Building Process pivotman319 6th June 2024 Table of Contents Introduction................................................................................................................................................................ 3 Preface ..................................................................................................................................................................... 3 Acknowledgements ............................................................................................................................................ 3 Disclaimer ............................................................................................................................................................... 3 Image Building Process..........................................................................................................................................4 Post-Build Binary Spew, Windows Foundation and Preparation.......................................................4 Daily Build Cycle ..............................................................................................................................................4 Certificate Chains ............................................................................................................................................4 Foundation Image Creation ........................................................................................................................ 5 Resolving Packages ............................................................................................................................................. 7 Feature Packaging ............................................................................................................................................... 8 Pre-Staging ............................................................................................................................................................ 9 Staging and Component Installation ........................................................................................................ 10 Final Steps ........................................................................................................................................................... 11 Language Pack Installation....................................................................................................................... 11 Windows Setup Unattended Datafiles ................................................................................................. 11 Language and Region, Image Serviceability State and SetupCl................................................. 11 Amendments Made Since Windows 7...................................................................................................... 13 Windows Runtime-specific servicing stack changes ...................................................................... 13 Windows 10 Language Features on Demand (FoDs) ..................................................................... 14 Temporary Switch to DISM for Image Servicing............................................................................... 14 Conclusion ............................................................................................................................................................... 15 Citations .................................................................................................................................................................... 16 Introduction Preface This document aims to thoroughly explain how Microsoft Windows operating system images are assembled through the component-based servicing stack and also provides preliminary context on how the assembly of the respective components are prepare

FAQs

What is Windows Component-Based Servicing (CBS) in the context of this document?

It is the component-based servicing stack mechanism used to assemble Windows operating system images. The document explains how components are prepared beforehand and then assembled as part of the overall image building process.

What stages are included in the Windows image building process?

The document covers post-build preparation, daily build cycle, certificate chains, foundation image creation, package resolution, feature packaging, pre-staging, staging and component installation, and final steps such as language pack installation.

Does the document limit scope to specific Windows versions?

Yes. It focuses only on desktop-based Windows versions and explicitly avoids other Microsoft operating systems due to limited public documentation for those platforms.

Aug 30, 2026

Upload by Liam