Finding and installing DSC resources
A DSC resource is a specially crafted PowerShell module that enables DSC to configure various aspects of a node. The WindowsFeature DSC resource, for example, enables you to ensure that a particular node has a particular Windows feature installed. You can also specify that a particular Windows feature should not be present (in which case, DSC removes the feature if it were already installed).
As you saw in the Using DSC and built-in resources recipe, Microsoft does not ship very many DSC resources natively with Windows Server 2019. This is intentional—you use the PowerShell Gallery to get the DSC resources you need to do your job and not hundreds or thousands of DSC resources you never need.
The built-in DSC ...
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