[wix-users] Uninstall of Wix created MSIs shared by Wix/Burn & 3rd party installers

Hoover, Jacob Jacob.Hoover at greenheck.com
Fri Jan 17 09:59:21 PST 2020

I do believe that it is Burn that handles this for Wix bundles, but as for "other installers" that's a question for them...

Windows installer would handle shared component reference counting, but IIRC it doesn't have a concept of a shared MSI ref count.

-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of Tobias Erichsen via wix-users
Sent: Friday, January 17, 2020 11:03 AM
To: wix-users at lists.wixtoolset.org
Cc: Tobias Erichsen <info at tobias-erichsen.de>
Subject: [wix-users] Uninstall of Wix created MSIs shared by Wix/Burn & 3rd party installers

Hi everyone,

I have just come over the question if it is possible to share an MSI that has been created with Wix and is being installed as a shared component by multiple setup programs (being both Wix/Burn & 3rd party Installers like NSIS...

I'm specifically interested in the un-install process.  Will the Microsoft installer automatically do the reference-counting necessary to make sure that one application's un-install process does not remove components pre-maturely?

I know this works just fine if I install the shared MSI from multiple Wix/Burn based installers, but will this still work if there are other installers involved?

Best regards,

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