Windows 10 Gets New DISM Options - Handles .ffu Files and Multi-volume Images

We continue highlighting new features that will make their way into Windows 10. This time we’re informing you about a minor, yet important feature for some power users – new DISM options.

For those who are not aware, DISM stands for Deployment Image Servicing and Management (DISM.exe) and is a command-line tool that can be used to service a Windows image or to prepare a Windows Preinstallation Environment (Windows PE) image.

DISM can be used to service a Windows image (.wim) or a virtual hard disk (.vhd or .vhdx) and it replaces the ImageX tool which was deprecated in Windows 8 as well as the Package Manager (Pkgmgr.exe), PEimg, and Intlcfg.

And it seems that with the Windows 10 release, Microsoft will make available new DISM options. Microsoft has added the ablility to handle *.ffu files and multi-volume images, with a similar option being available for Windows Phone.

/Split-FfuImage
/ImageFile: /SFUFile: /FileSize:

Splits an existing .ffu file into multiple read-only split FFU files.
Use /FileSize to specify the maximum size in megabytes (MB) for each
created file.

Example:
DISM.exe /Split-FfuImage /ImageFile:flash.ffu /SFUFile:flash.sfu
/FileSize:650

/Apply-FfuImage /ImageFile: /ApplyDrive:
[/SFUFile:]

Applies an existing .ffu image to a specified drive.
Use /SFUFile to reference split FFU files (SFUs). is the naming
pattern and location of split files.

Examples:
DISM.exe /Apply-FfuImage /ImageFile:flash.ffu
/ApplyDrive:\\.\PhysicalDrive0

DISM.exe /Apply-FfuImage /ImageFile:flash.sfu /SFUFile:flash*.sfu
/ApplyDrive:\\.\PhysicalDrive0

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