If you only need to read a manifest, set this flag to True. If you need to write a new manifest, set this flag to False. The default is False. This property provides additional context for the manifest generator, and affects how some error messages are reported.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)