Pro site upload quota doesn't work.

Hey guys, need some help with Pro Site, the upload quota doesn't seem to be working. my site Maximum upload file size: 20 MB. and after i setup pro site nothing, is working users are still able to upload unlimited amount of files etc.. by the way am testing it on localhost. If someone wish to help me please, let me know when you'd be available so that i can send my TeamViewer login info. and i've also posted this exact post in WPMUDEV website, nothing works for me.