RDS 2012 - VDI COLLECTION- CANNOT CHANGE USER PROFILE DISKS SETTINGS

Hello, I have a RDS 2012 Farm wiht RDVH (VDI) . When I want to change the properties of VDI COLLECTION like Including Folders or change the size of disk, or even disable USER PROFILE, in the GUI

I can execute the change but when I Enter again to properties page, the change was not realized

Examples

WHEN I CHANGE THE OPTIONS

AFTER DO A REFRESH

Thanks

Regards