Hello,
I'm trying to debug why a I cannot get WiX 3.0 to remove my older MSI 
installation created with InstallShield. I have the following WiX code 
for upgrading:

<Upgrade Id="BF573C68-EE30-4279-AC28-5D8EE955F137">
<UpgradeVersion OnlyDetect="yes" Property="SELFFOUND"
       Minimum="3.0.0" IncludeMinimum="yes"
           Maximum="3.0.0" IncludeMaximum="yes"
      />
<UpgradeVersion OnlyDetect="yes" Property="NEWERFOUND"
           Minimum="3.0.0" IncludeMinimum="no"
      />
<!-- Upgrade checking -->
<UpgradeVersion OnlyDetect="no" Property="OLDERFOUND"
         Maximum="3.0.0" IncludeMaximum="no"
      />
</Upgrade>

    And

<InstallExecuteSequence>
<Custom Action='AlreadyUpdated' 
After='FindRelatedProducts'>SELFFOUND</Custom>
<Custom Action='NoDowngrade' After='FindRelatedProducts'>NEWERFOUND</Custom>
<RemoveExistingProducts After='InstallInitialize' />
<Custom Action='StoreInstallLocation' After='InstallValidate' />
</InstallExecuteSequence>

The following is a snippet what I get when I install the old 2.2.01 
version of our product
Property(S): UpgradeCode = {BF573C68-EE30-4279-AC28-5D8EE955F137}
Property(S): ARPINSTALLLOCATION = C:\Program Files\Justcroft\jcgmlicsrv\
Property(S): ProductName = JustCGM Licence Server
Property(S): DialogCaption = InstallShield for Windows Installer
Property(S): ProductVersion = 2.2.01
Property(S): ProductID = None
Property(S): INSTALLDIR = C:\Program Files\Justcroft\jcgmlicsrv\

And this is what I see when I install the newer 3.0.0 release
Property(S): UpgradeCode = {BF573C68-EE30-4279-AC28-5D8EE955F137}
Property(S): ALLUSERS = 1
Property(S): ARPINSTALLLOCATION = C:\Program Files\Justcroft\jcgmlicsrv\
Property(S): INSTALLLOCATION = C:\Program Files\Justcroft\jcgmlicsrv\
Property(S): ProductCode = {A18C64B9-BBDB-49DE-AE22-3FE3A115B278}
Property(S): ProductVersion = 3.0.0

What other reasons could there be that despite having the same 
UpgradeCode and the version being higher, the installation still fails 
to remove the older 2.2.01 version?

-- 

    Never argue with idiots. They drag you down to their level, and then
    beat you with experience. — Dilbert 


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