[wix-users] Downgrade version issue

[Hoover, Jacob]

When is RemoveExistingProducts scheduled in your MSI?

-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of Renaud Degeorges
Sent: Friday, June 17, 2016 9:06 AM
To: WiX Toolset Users Mailing List <wix-users at lists.wixtoolset.org>
Subject: [wix-users] Downgrade version issue

Hi everybody,

Considering I have several Wix setup versions

i.e. :
v1.1
v1.2
v1.3
...

I need to allow to install any version above any previous version.
My setup is full automatic, no user question, no "next", "previous" or install button.
the setup is launched automatically by a process so I can't ask any user help or verification.

When I install version 1.3 above 1.2 or 1.1 it works fine

But, if, for any reason I need to install 1.2 above 1.3, -the uninstall process works fine, I can see the install folder disappear for a short time.
-the new (or old version) is well installed except for the exe file (the most important lol), but all dependent dll or others files are well installed.

Any idea?

regards

Renaud

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