This initial phase, when the script is prepared but the rollback protection hasn't started yet, is called the Execute sequence's immediate phase.
- from WiX 3.6: A Developer's Guide to Windows Installer XML
- Publisher: Packt Publishing
- Released: December 2012
This is just before InstallInitialize phase, which marks the beginning of the point where rollback is supported, and when changes to the system actually starts.
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