Hello!
Case:
I am trying to make an optional feature installation by passing parameters in command line (INSTALLFEATURE="I") during quiet maintanence installation.
In UI mode i am using "InitEvents" in optional dialog to mark Feature install\Uninstall, and it works fine.
But in quiet mode this case does not works.
Another option i tryes is "Installation behavior" in "Organization" page, but it does not works too.
I am set "InstallIf" condition as INSTALLFEATURE="I", but installer ignores it.
How can i install\uninstall feature in quiet mode during maintanence?