If you customize any of the parameters in the obparameters file, then set the customized obparameters parameter to yes.
obparameters
customized obparameters
yes
Table B-1 customized obparameters: Values
no (default)
no
Indicates that installation parameters in the obparameters file have not been changed. The value of no is set by default.
Specifies that installation parameters in the obparameters file have been changed.