Wilson, Phil wrote:
> That means it didn't find the previous version for some reason
> otherwise it would mention the ProductCode guid of the discovered
> product. What's actually in the Upgrade table in the MSI file? I'm
> wondering if the version range is really correct.
>From Orca, here are the two entries in the Upgrade table for the Version 1.1
package:
UpgradeCode: {49AB249B-C143-412E-B138-6689533DC53A}
VersionMin: 1.1.0.0
VersionMax: [none]
Attributes: 258
ActionProperty: NEWERVERSIONDETECTED
UpgradeCode: {49AB249B-C143-412E-B138-6689533DC53A}
VersionMin: 0.0.0.0
VersionMax: 1.1.0.0
Attributes: 256
ActionProperty: OLDERVERSIONBEINGUPGRADED
> That location for REP is more efficient because the file replacement
> rules are such that you have many files that aren't going to be
> updated. If a lot are going to be updated anyway the efficiency
> decreases. However it's not a safe location because of the rollback
> issue. There is a similar efficient location (assuming efficiency is
> valued more than safety ;=) ) which is directly before
> InstallFinalize using [InstallExecute, RemovePreviousVersions,
> InstallFinalize ], which is what the 3rd bullet is saying...
I have now moved RemovePreviousVersions to the position after InstallExecute
and before InstallFinalize.
--
Charles
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