USB drives are the one of the most common ways of virus attacks and if you are having a network of PCs, it is always better to have the USB drives disabled. Remote USB Disabler is one such freeware tool which allows network administrators to remotely disable USB drives. You can specify the computer name on the network and then login in using the account available and then disable or enable USB drives.
You can authenticate user account if needed. There is also option to reboot the remote PC for the change the take effect.
Remote USB Disabler is a nice tool for system administrators to easily disable access and for any reason if you want to re-enable access, it can be easily done using this tool.