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cbarlow
Level 7
‎Oct 11, 2010 11:04 AM

Possible to chain 64-bit MSI to 32-bit MSI?

I tried chaining a 64-bit MSI to a 32-bit MSI and only running the chained MSI if the 32-bit parent was installed on a 64-bit compatible machine. This seemed to work great, until I noticed that the chained MSI was installed to the 32-bit Program Files directory. When I uninstalled the chained program and ran it again manually, it installed to the 64-bit Program Files directory. So it seems like to run a 64-bit chained MSI, it has to be chained to a 64-bit parent program. Can someone confirm this?
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MichaelU
Level 12 Flexeran
Level 12 Flexeran
‎Oct 12, 2010 11:45 AM

Heath Stewart blogged about this limitation in Windows Installer a while back, in his article Installation sequence restrictions for multi-package transactions.
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