Order of Precedence for Properties

The installer sets properties using the following order of precedence. A property value in this list can override a value that comes after it and be overridden by a value coming before it in the list.
1) Properties specified by the operating environment.
2)Public properties set on the command line.
3)Public properties listed by the AdminProperties property set during an administrative installation.
4)Public or private properties set during the application of a transform.
5)Public or private property that set by authoring the Property table of the .MSI file.

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