1.    19 Oct 2016 #1
    Join Date : Jun 2016
    Posts : 219
    Windows 10 64-bit home

    Disable UASP in Windows 10?

    Is there a way to disable UASP support in Windows 10 over USB, and force BOT mode? I'm having lots of issues with my external enclosures that support UASP since moving to my new PC with Windows 10, and I'm trying to troubleshoot. A post I read hints that maybe UASP is behind my external USB enclosure troubles (dropping drives that lead to corruption and data loss).

    My USB 3 thumb drive has caused no issues, and it doesn't support UASP. My UASP USB 3 enclosures got corrupted and caused data loss immediately after trying to copy to the enclosure. The same enclosures and drives worked fine in my old Windows 7 PC. So I'd like to see if I can rule out UASP. Can I disable that in Windows 10? I see USBSTOR.sys is loaded in device manager when I plug my USB thumb drive in because it doesn't support UASP. I haven't dared to plug my enclosures back in until I backup my data now, but if the USB device supports UASP then UASPStor.sys would be running instead of USBSTOR.sys. I'd like to force Windows 10 to use USBSTOR.sys but I don't know if I can do that. I think if UASP is supported by all devices Windows 10 will use it. Any help?
      My ComputerSystem Spec
  2.    25 Oct 2016 #2
    Join Date : Jun 2016
    Posts : 219
    Windows 10 64-bit home
    Thread Starter

    Is there really no way to force Windows 10 to use USB 3 BOT mode instead of UASP for external enclosures?
      My ComputerSystem Spec


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