[wix-users] WiX MSI Failing to upgrade all components

geoffrey fulton thearchitect at internode.on.net
Sun Dec 13 11:23:43 PST 2015

Please remove me off your fucking mailing list.

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-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of
Robert Beardsworth
Sent: Monday, December 14, 2015 5:11 AM
To: WiX Toolset Users Mailing List
Subject: Re: [wix-users] WiX MSI Failing to upgrade all components

Hi Colin,
   quick simple question: did you mess with the File Versions of your
BackupUtil.exe? I am sure someone will correct me if I am wrong, but I
believe that the Windows installer uses the File Version to decide whether
to overwrite files (we bumped into this when producing interop files with
tlbimp which didn't produce a new File Version unless we changes the
assembly version).
HTH, Rob
> From: Colin.Sim at ipfx.com
> To: wix-users at lists.wixtoolset.org
> Date: Sun, 13 Dec 2015 09:21:20 +0000
> Subject: [wix-users] WiX MSI Failing to upgrade all components
> This question relates to this past post
014.html but now I have had time to reproduce the error on a much smaller
scale with logs I can hopefully upload to the mailing list.
> [Background]
> I have an installer that contains a single component (this is the
simplified case). I have created two installers:
>     - ServerInstaller.1.0.0.msi, which contains BackupUtil.exe version
>     - ServerInstaller.1.0.1.msi, which contains BackupUtil.exe version
> After ServerInstaller.1.0.0.msi is installed and BackupUtil.exe is
manually replaced with a higher version, say 6.4.78, when I run
ServerInstaller.1.0.1.msi, BackupUtil.exe gets removed. I am expecting it to
be left alone.
> I couldn't see anything obvious that is wrong apart from perhaps "Skipping
RemoveExistingProducts action: current configuration is maintenance mode or
an uninstall". I am very new installer is correctly updated to perform a
major upgrade, i.e. there is a new ProductCode, new PackageCode, and version
number. The UpgradeCode remains the same.
> I have attached the logs to this post; hopefully, someone can see the
thing I'm doing wrong.
> Regards,
> Colin
> PS: I am observing this same type of behaviour on our old installers that
are authored in InstallShield. So my gut is telling me this is something
fundamentally wrong with Windows Installer itself.
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