Microsoft introduced Windows Sandbox back in January but shortly after added the support for a simple configuration file that provides some minimal scripting support with a bit customization capability.

If you haven’t used Windows Sandbox before, check this post to get started.

By default, without a config file, Windows Sandbox spins up a default image that mimics the copy of the Windows 10 system installed on your computer. But in many cases, you may need a bit more and that’s why the config file comes in play.

The Windows Sandbox config files are formatted in XML format but with a different extension name .wsb that can be launched in Windows Sandbox directly. As of today, there are 4 components that you can customize in one config file, vGPU, Networking, Shared folders, and Startup script.

Windows Sandbox Config File

Here is a quick overview of the settings you can use right now, kudos to Thomas Maurer:

NameSettingSubSettingValue
Virtual GPU<vGPU>Disable – Disables vGPU
Default – vGPU enabled
Networking<Networking>Disable – disables Networking
Default – Networking enabled
Shared Folder<MappedFolders><HostFolder>Path to the host (local) folder
<ReadOnly>True/False
Startup Script<LogonCommand><Command>Command that runs like a logon script

Here is a full example of a config file for your reference:

<Configuration> <vGPU>Disable</vGPU> <Networking>Disable</Networking> <MappedFolders> <MappedFolder> <HostFolder>c:userskentdownloads</HostFolder> <ReadOnly>True</ReadOnly> </MappedFolder> </MappedFolders> <LogonCommand> <Command>notepad.exe</Command> </LogonCommand>
</Configuration>

Save the config file on your desktop with a .wsb extension name. Now let’s double click and see what happens.

It launches Windows Sandbox that maps my local downloads folder on the desktop with Read-Only rights and opens the notepad at the end with network disabled.

The nice thing about using the config file is that now I can make a bunch of config files with different setups for different scenarios.

Lastly, check out this blog post by Windows Kernal Internals for more details.

The post Customizing Windows Sandbox with the Config File appeared first on Next of Windows.

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