vRA 7.6 change max_volume value in a composite blueprint on progagate that

Hello everybody,

My problem: i have deploy VMs with composite blueprint with a limit of the max number volume to 1. But now i want increase this value. The propagate option in the blueprint don't work for this option.

I can change for the futurs VM but not for the olds.

Is it possible to change the option with other way? (in database or with a vro workflow)

Regards