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un-obtainium
Level 3
‎Apr 05, 2011 12:31 PM

Prerequisites using MSIExec.exe

Is it possible to create a prerequisite to uninstall a prerequisite to an old version of the app you are installing?

Can you command line uninstall an application using MsiExec.exe in a prequisite?
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MichaelU
Level 12 Flexeran
Level 12 Flexeran
‎Apr 06, 2011 02:10 PM

There is no direct obvious way to approach this in our prerequisite engine - you would probably have to create a helper exe which calls msiexec /u {product-code}. However since it's an MSI, you may be able to add a major upgrade in your product specifying its upgrade code and version to get it removed.
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