[wix-users] Component IDs for Major Upgrade

[Hoover, Jacob]

Depends on when RemoveExistingProducts is scheduled and if the new install has a component in the same key path but a different component id.

Best rule of thumb is 1 file per component, and let WiX generate stable GUID's (ala *).  This will cause any change in the key path to get a new GUID.

-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of Paul Mumford via wix-users
Sent: Wednesday, December 6, 2017 2:18 PM
To: WiX Toolset Users Mailing List <wix-users at lists.wixtoolset.org>
Cc: Paul Mumford <paul.mumford at gmail.com>
Subject: Re: [wix-users] Component IDs for Major Upgrade

Yeah think so, the only guid that needs changing is the package (which I found easier to just use * to generate a new one) and change the major version. As long as you never change the upgrade guid. Someone confirm please because im no longer in that contract and cant see the source code anymore. I did have that all written down in comments in the package after r&d.

On 6 December 2017 at 17:35, Ven H via wix-users < wix-users at lists.wixtoolset.org> wrote:

> Do the component Guids need to be the same for Major upgrade?
>
> Regards,
> Venkatesh
>
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