We certainly don't see any issues with USB Hard Drives or Flash Drives. One thing to note is that Disk Drives are fully scanned by Windows Systems when they are connected directly via USB before they are mounted (drive letter available). With larger sized drives, this can take several minutes before disk drives become available when connecting via SharePort.
I am seeing a difference. my flash drive is working fine and so is my portable hard drive. when i plug the flash into my DIR-635 shareport works fine.
when i plug in the protable hard drive to the unit i get repeated notification dialogs in the botom right corner that says the device is found (every 10 seconds actualy) corresponding with my detection interval time. i also get an audible click from the HD roughly every 5 seconds.
BUT .... the utility doesn't do anything
it continues to say "No USB device is detected.
Please plug in one of the below USB devices.
(Printer, MFP, Scanner, Storage Devices)"
again, there is no problem with the flash drive or the hard drive when connected to the computer and the flash works fine in the DIR-635