This is a PPWIZARD command line switch.
By default important informational messages may be output, these could be considered as similar to a warning but not as severe. They inform you of situations that are unusual but may be perfectly OK in your environment. This switch allows you to turn these messages off.
It is recommended that you do not turn them off.
If the "YesOrNo" parameter is not specified then it defaults to "Y", otherwise one of the following values is expected: