Troubleshooting: InstallValidate Nulled out my Request

When Windows Installer logs the InstallValidate Action, the MSI engine reports the three states of a the componets and features in the product.  For example, the following report says a component current state is absent, the user requested the component to be installed local, and the MSI engine calculated that it needed to do nothing for this component.

MSI (s) <process info>: Component: <Component identifier from Component Table>; Installed: Absent; Request: Local; Action: Null

Among the reasons a component is set to Action: Null:

More context on reading logs can be had from Checking the Installation of Features, Components, Files [Windows Installer].

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    1. Earlier, in my blog, I digested a piece of a legacy internal troubleshooting document into the post:…

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