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TUSB3410: Modified 64-bit driver ver 6.7.4.0 failing Device Guard HCK test

Part Number:TUSB3410

Hello. I am reopening this forum question, as it was not actually resolved in my email correspondence before my contact had left the company. Below is the copied text from the last post. Thanks.

Hi. As stated in the thread title, we are currently running version 6.7.4.0 of the usbuart driver through certification with our INF modifications but it has failed the Device Guard test. I understand this test is somewhat new and this driver version went through certification late last year or early this year, I think. Did the unmodified version pass this test or was it not in place at the time? And is there a way we can massage the driver into passing? The message I received from the lab is below:

We have a failure on the 64 bit driver.  The driver is not compatible with Windows 10 Device Guard. 

 

WDTF_TEST : Non-zero Code Integrity statistic found: Execute Pool Type Count: == 8

 

WDTF_TEST : Non-zero Code Integrity statistic found: Execute-Write Section Count: == 1

 

Please see https://blogs.msdn.microsoft.com/windows_hardware_certification/2015/05/22/driver-compatibility-with-device-guard-in-windows-10/ for information on how to test your driver for device guard compatibility.


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