I think you may be missing a dependency provider, inside your <ExePackage> you
need something like:
<dep:Provides Key="SQLServer2012Express,YourInstanceName" Version="You
SQL version" />
This isn't documented but what it does is register that a package is being used
so on uninstall it won't be removed if there are still references to it. I'd
advise setting you YourInstanceName in the Key as that will allow multiple
instances of the same version of SQL and set Version to the full SQL version
e.g. "11.0.2100.60" as this will allow for service pack upgrades.
This solved this sort of problem for me although I didn't have the scenario
where I don't upgrade SP1 to SP2 but that shouldn't matter.
Neil
-----Original Message-----
From: Sunny Li [mailto:[email protected]]
Sent: 27 November 2012 00:45
To: General discussion for Windows Installer XML toolset.
Subject: [WiX-users] How to perform an upgrade without removing a package?
Hi there,
I'm currently trying to install the following bundle in wix burn v3.6 that
contains:
1) SQL Server 2008 R2 (ExePackage)
2) My main program
That all works fine, but when I create a upgraded bundle to update my main
program, it will remove SQL Server 2008 R2 during the stage where it removes
the older bundles.
Is there a way to prevent the bootstrapper from removing the exepackage?
I know I can counter-act that by writing some managed code in PlanPackageBegin
to change the requestedstate to stay as "Present" instead of "Absent". However
that also triggers another problem.
Consider the scenario when you're upgrading from SQL 2008 R2 SP1 to SP2...
but you don't want to force your users to upgrade to SP2 if they already have
SP1 installed (because it's slow and it's 'good enough').
WiX won't cache the SP2 package during the install time because we've detected
that the ExePackage is already present. And this will cause a problem when the
user is trying to uninstall, because the SP2 package won't be located on the
system.
Is there a way to make a bundle so that you can also have some flexibility in
what version the ExePackage is? For example, both SP1 and SP2 are tolerable but
SP2 is preferred, and I only want to include the SP2 package for an offline
installer.
Thanks,
--
Sunny Li
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