Hello,
We are testing upgrade from an older version to the version we are
about to release. We noticed that upgrading "msiexec.exe /i my.msi"
successfully upgrades the old product files with the new ones.
However, silently installing with the following command fails:
msiexec.exe /i my.msi REINSTALL=ALL REINSTALLMODE=vomus /qn
The log file generated during silent upgrade contains the following messages:
APPCOMPAT: looking for appcompat database entry with ProductCode
'{15E9E02D-8660-41B3-9373-3E427A392478}'.
APPCOMPAT: no matching ProductCode found in database.
..
FindRelatedProducts.
PROPERTY CHANGE: Adding OLDERVERSIONBEINGUPGRADED property. Its value
is '{4B43BAEB-553B-4FAD-9219-C55DA3492D89}'.
PROPERTY CHANGE: Adding NEWERVERSIONDETECTED property. Its value is
'{4B43BAEB-553B-4FAD-9219-C55DA3492D89}'.
Doing action: WixExitEarlyWithSuccess
FindRelatedProducts. Return value 1.
Does this mean that installer is not finding the previous product
version and hence doesn't uninstall it? If so, why would UI upgrade
work?
I also noticed that we didn't have Package Id specified in the WXS
file for the old product. However, we did specify the same Product
UpgradeCode in the old and new versions. Is this sufficient?
Thanks,
Alec
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