Windows System Image Manager Technical Reference

Applies To: Windows 7


This content applies to Windows 7. For Windows 8 content, see Windows Deployment with the Windows ADK.

Windows System Image Manager (Windows SIM) is the tool used to create unattended Windows Setup answer files. You can create an answer file by using information from a Windows image (.wim) file and a catalog (.clg) file. Component settings are added to an appropriate configuration pass in the answer file. You can also add packages to be installed during Windows Setup. The following topics describe conceptual information about Windows SIM.


If you experience problems creating catalog (.clg) files with Windows SIM, see Understanding Windows Image Files and Catalog Files. This topic contains information about known issues and workarounds for creating catalog files.

In This Section

What Is Windows System Image Manager?

Provides an overview of Windows SIM, including benefits, common scenarios, supported platforms, and related technologies.

How Windows System Image Manager Works

Describes terminology, architecture, the Windows SIM user interface, and conceptual information about related technologies.

Work with Answer Files in Windows SIM

Provides how-to instructions on using Windows SIM.