[wix-users] Allow multiple installs of our app on a single system

[Todd Hoatson]

Even though I had given my installer a new version number, it would not
install with another app having the same product code.  So I gave it a new
product code, and it seems to be working as I had hoped.

thanks!

On Fri, Oct 26, 2018 at 2:01 PM Hoover, Jacob via wix-users <
wix-users at lists.wixtoolset.org> wrote:

> ProductCode, UpgradeCode and Version are the key bits to look at...
>
> Define the behavior of what an install should do when older version (with
> the other installer) is detected, and that will define what you need to
> change to make it happen.
>
> -----Original Message-----
> From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf
> Of Rob Mensching via wix-users
> Sent: Friday, October 26, 2018 12:26 PM
> To: WiX Toolset Users Mailing List <wix-users at lists.wixtoolset.org>
> Cc: Rob Mensching <rob at firegiant.com>
> Subject: Re: [wix-users] Allow multiple installs of our app on a single
> system
>
>
> https://docs.microsoft.com/en-us/windows/desktop/Msi/installing-multiple-instances-of-products-and-patches
> - WiX can help some with the InstanceTransform element but there is still a
> good bit "left to the interested reader".
> _____________________________________________________________
>  Short replies here. Complete answers over there:
> http://www.firegiant.com/
>
>
> -----Original Message-----
> From: wix-users <wix-users-bounces at lists.wixtoolset.org> On Behalf Of
> Todd Hoatson via wix-users
> Sent: Friday, October 26, 2018 10:17 AM
> To: wix-users at lists.wixtoolset.org
> Cc: Todd Hoatson <todd.hoatson at gmail.com>
> Subject: [wix-users] Allow multiple installs of our app on a single system
>
> Hi,
>   I have a working installer for our app, coded in WiX.  The previous
> version of our app used a different installation tool.
>
>   Now, if we try to install our newest version on a system where the
> previous version is already installed, an error message appears, requiring
> the user to uninstall the previous version first.
>
>   We would like to eliminate this requirement.  We feel it is unnecessary.
> Since I didn't put anything explicit in the WiX code to cause this, I'm
> unsure how to proceed.
>
>   Any suggestions?  Our installer uses WixUI_Mondo, if that makes a
> difference...
>
>   Thanks for any help you can offer.
>
> Todd Hoatson
> Mobile: 763-291-3312
> Email:   todd.hoatson at gmail.com
> www.linkedin.com/in/toddhoatson
>
> ____________________________________________________________________
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>
> ____________________________________________________________________
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>
> ____________________________________________________________________
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> http://www.firegiant.com/
>


-- 
Todd Hoatson
Mobile: 763-291-3312
Email:   todd.hoatson at gmail.com
www.linkedin.com/in/toddhoatson