AFAIK, you can't really do that. You could try to condition the Feature and
then set something in the new install that causes the old installs Feature
condition to evaluate to false and then have the user repair the old
install. That *might* get the feature to turn off (since it's condition is
false). Of course, the user experience is pretty odd as well.
Shared registry keys that point at paths are often susceptible to this
problem. Although, I can't say I quite understand your upgrade path if you
don't use major upgrades. Is the user expected to remove the old product on
their own?
On Tue, Aug 21, 2012 at 3:09 AM, Matt O'Connell <techsupport...@gmail.com>wrote:

> Hi WiX users
>
> I've got a product B that shares a (hidden) feature with it's
> predecessor A. If I install A over B the registry we use toggles back
> the the old app location. Since we may want to have update B's feature
> at some point this is bad.
>
> My company doesn't like to uninstall the old product via major upgrades
> so what is the best way in WiX for me to remove the feaure in app A that
> app B wants to also install?
>
> Many Thanks
>
>
>
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