This issue has come about because our product groups use InstallShield to incorporate the merge modules into their installers. It seems that InstallShield uses the module GUID and locale to decide whether 2 merge modules are the same. These values are the same in both the new and old merge modules so when IS brings up the list of available modules it only shows the latest version even if the version number and file name (and folder location) are different.
Since they still want to release installers for older versions, we will need to change the module GUID so that both versions appear in InstallShield's list of modules.
On 05/10/06,
Rob Mensching <[EMAIL PROTECTED]> wrote:
Check out the File Versioning topic in the MSI SDK. That is what will control how your files get upgraded. Changing the GUID on the Merge Module won't affect them. The Merge Module signature has a version, I would suggest leaving the GUID the same and just up'ing the version number... unless the Merge Module is some breaking change and installs everything to completely different locations.
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] ] On Behalf Of Antony Walmsley
Sent: Wednesday, October 04, 2006 7:55 AM
To: wix-users@lists.sourceforge.net
Subject: [WiX-users] Upgraded merge modules
I've got a set of merge modules that have been used in installers
sent to customers.
Now I've got to recompile my wix files to pick up the newest versions
of the executables (bug fixes, new features etc). Should the GUID in
<Module> be changed to indicate the file contents have changed, or do I keep the
same number and rely on whoever writes the installer to change the Upgrade Code?
I need Windows Installer to recognise that these are replacement files, not
new files that just happen to install over the top of existing files.
Thanks...
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