Microsoft breaks PowerShell DSC with Windows 10 build 14393.82

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On Tuesday, the company released KB 3176934 via Windows Update, you can read everything that was patched here, but the update also broke a key feature of PowerShell.

Patches for Microsoft's Windows operating system released this week contain a faulty update that breaks PowerShell command line remote systems management. The package is missing a.MOF file, which breaks DSC (Desired State Configuration) in PowerShell.

This is certainly not the first time that a Windows 10 update has broken a major feature of the platform.

The loss of implicit remoting is likely to be particularly hard-hitting for businesses: during implicit remoting operation, PowerShell commands are executed on a remote target computer rather than the local host; following the installation of the update, this will fail with an error - though thankfully without silently executing the commands locally instead.

Uninstall the update if already installed. The team behind the software stated that fixes for both issues are ready to be deployed, and will be released publicly on the 30th of August. Otherwise, Use Group Policy to set the "Configure Automatic Updates" to "2 - Notify for download and notify for install" as described in this Microsoft Support article.