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Reduce the Size of the Component Store (WinSxS folder)

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#1 FreeBooter


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Posted 19 June 2016 - 08:41 PM

Reduce the Size of the Component Store (WinSxS folder)

The Deployment Image Servicing and Management (DISM) tool can be use to analyze the size of the component store and reduce the size of the component store (WinSxS folder). The WinSxS folder is located in the Windows folder, for example C:\Windows\WinSxS. Its the location for Windows Component Store files. The Windows Component Store is used to support the functions needed for the customization and updating of Windows.  Component store (WinSxS folder) contains all the components that make-up Windows to allow you operate your system. These components are kept to rollback any problematic change or to repair a file that becomes corrupted.
This tutorial can be followed with following Windows operating systems:
  •   Windows 8
  •   Windows 8.1
  •   Windows 10
A new option has been added to the DISM tool for Windows 8.1 and Windows 10 to help determine how much disk space the WinSxS folder really uses.
Open the Command Prompt as a Administrator.
Analyze the size of the component store by typing:
Dism /Online /Cleanup-Image /AnalyzeComponentStore

Useful information!
The /AnalyzeComponentStore option isnt recognized on Windows 8 and earlier

If the component store cleanup was recommended in the displayed report, then you can reduce the size of the component store.
Reduce the size of the component store by typing following command:
Dism /Online /Cleanup-Image /StartComponentCleanup
You can reduce the size of the component store further by adding the /ResetBase parameter.
Type following command:
Dism /Online /Cleanup-Image /StartComponentCleanup /ResetBase

Caution! Please read for more information.

The installed Windows Updates cannot be uninstalled after using the /ResetBase parameter.

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