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#2405 AllowSameVersionUpgrades='yes' causes LGHT1076 warning
Adding a AllowSameVersionUpgrades='yes' to a MajorUpgrade element causes the following warning:
warning LGHT1076 : ICE61: This product should remove only older versions of itself. The Maximum version is not less than the current product. (1.0.0.0 1.0.0.0)
Setting the AllowSameVersionUpgrades property means that I want the exact behavior I'm being warned against (as far as I understand), so the warning should probably be suppressed?
Tested with Wix 3.5.2415.0
The warning exists because you are doing something that is not recommended. It's possible, you can do it. The Windows Installer team (who owns the ICEs) just doesn't think it is a good idea. You can suppress the ICE if you want.
I understand that ICE61 is not owned by wix, and I agree that what I'm trying to do is not ideal. But IMHO the alternative (the default behavior) is worse, since it can cause multiple products with the same version and upgrade code (but different product codes) to be installed.
Is there a recommended way to avoid this problem without either changing the Product Id manually every time the version changes, or using Product Id='*' and AllowSameVersionUpgrades='yes'?
Please take discussion about how to use the WiX toolset to wix-users@lists.sourceforge.net.
Short answer: if you're expecting major upgrades then you want to be changing the ProductCode.
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