There is also the option of major upgrades that don't require command-line 
parameters at all.

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Levi Wilson
Sent: Wednesday, March 14, 2007 12:13 PM
To: Rory Clark
Cc: wix-users@lists.sourceforge.net
Subject: Re: [WiX-users] Help with Upgrade scenarios.

What are you trying to achieve?  Are you trying to make it so you don't have to 
do that from the command-line?  One thing that I think that you can do is set a 
property in your wxs file that is:

<Property Id="REINSTALLMODE" Value="vomus" />

If you look at the MSDN documentation for the REINSTALLMODE property, you're 
not supposed to put the "v" in "vomus" on the initial installation, but I have 
never figured out why you're not supposed to do this.
On 3/14/07, Rory Clark <[EMAIL PROTECTED]<mailto:[EMAIL PROTECTED]>> wrote:
That solved the short term problem, but isn't a long term solution.  Looks like 
I need to do a lot more research and a lot more reading.

Thanks!
Rory

________________________________
From: Levi Wilson [mailto:[EMAIL PROTECTED]<mailto:[EMAIL PROTECTED]>]
Sent: Wednesday, March 14, 2007 11:39 AM
To: Rory Clark
Cc: wix-users@lists.sourceforge.net<mailto:wix-users@lists.sourceforge.net>
Subject: Re: [WiX-users] Help with Upgrade scenarios.
Does it complain about a different version of the product already being 
installed?  If so, you need to install the MSI via the msiexec.exe command like 
this:

msiexec.exe /I your_msi.msi REINSTALL=All REINSTALLMODE=vomus
On 3/14/07, Rory Clark <[EMAIL PROTECTED]<mailto:[EMAIL PROTECTED]>> wrote:
In the project I'm working on, we've hit a pain point and we're not certain how 
to overcome it.  Right now if we want to do an upgrade, the user has to 
uninstall before installing the new version.

I am sure this has to be possible, I just need some pointers on the "how to" 
side of things.

Thanks!
Rory

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