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Level 2

Updating Feature Prerequisites?

If I install an application with a feature that has a prerequisite, how would I make it so anytime the feature is updated, it also updates the prerequisite? In this case the prerequisite would be a driver required for the feature.

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Level 3

Also feature prerequites should have a condition that evaluates to "true" when the prerequisite is installed successfully.
Using a registry key might be the easiest way. The driver package surely writes a version string into the registry, that you can use as installation condition.
So when you update the feature you might update the driver at the same time when the version is increased.

Alternatively you can just skip the conditions. Then the feature prerequisite is installed every time you run the setup or perform an update. In this case the driver package will update or reinstall itself.

Does this make sense to you?
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