> I also do Major upgrades *all* the time.  We have a large COM, COM+,
> VB6
> application and I don't dare play games with COM+ registries as I value
> my
> time too much :P  It's a requirement for us developers to move back and
> forth along the versions and I want to force uninstall our product
> regardless what version is installed.
>
> 1.  I remove the product after InstallFinalize.  This has worked for me
> for
> about 2 years now using WiX 2.0 and 3.0.
>
> <InstallExecuteSequence>
>             <RemoveExistingProducts
> After="InstallFinalize"><![CDATA[PREVIOUSVERSIONFOUND]]><RemoveExisting
> Products>
> </InstallExecuteSequence>
>

Are you using the ComPlus extension to manage the COM+ application(s). I have a 
similar line, except I am not putting a condition on the RemoveExistingProducts 
action.

Sincerely,
- Don Benson -

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