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  • Community Manager (Flexera Software)

    If it's pure InstallScript, yes, you can launch the command msiexec.exe /i package.msi (with appropriate properties and switches) to launch an MSI package.
  • Community Manager (Flexera Software)

    Only one deferred Execute sequence can run at a time; some developers launch an MSI from the UI sequence or suchlike, but there are drawbacks (silent installations, privileges and rollback not working well, etc.).

     

    Prerequisites or chained installers (see the sticky thread here about [thread=185662]chained packages[/thread]) are usually more desirable options.
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Can InstallScript launch another msi?