How to install USB debug cable driver in WinDbg for Windows kernel debugging?

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As per Microsoft's USB debug page, you must launch WinDbg in an elevated process in order to install the USB driver.

Having done that, I still receive this error message:

Failed to copy USB device driver inf. The debugger must be run elevated for the first use of this transport. Error 0xE0000247.

windows
drivers
debug
asked on Super User Apr 3, 2018 by kevinf • edited Apr 4, 2018 by Arun Vinoth

2 Answers

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You may have an unsigned USB debug driver eg: from preview build of WinDbg / driver tools for Windows SDK.

The error message is no doubt a catch all for "failed to install inf" for any reason. Not informative for those with non permission related failures (you correctly ran Windbg as Admin)

Solution: Reboot with "Disable Driver Signing Enforcement" eg: https://windowsreport.com/driver-signature-enforcement-windows-10/

answered on Super User Apr 3, 2018 by kevinf • edited Dec 14, 2018 by kevinf
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Just install last SDK official release version and that's all folks without other bcd options like "nosigning" and etc.

answered on Super User Feb 26, 2020 by simple123

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