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Windows System Image Manager Technical Reference

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.

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What is Windows System Image Manager?

How Windows System Image Manager Works