April 24, 201511 yr Gang, I have a motherboard and CPU that both support vt-d (it is enabled in the BIOS also), and an Intel Pro 1000 PT quad gig card which (allegedly) also supported direct i/o. Yet when I attempt to configure ethernet devices in the virtual machine I have created, esxi (6.0) is telling me that directpath i/o is not supported (and clicking the question mark icon gives me a list of reasons why it is not supported, but none of those reasons should apply). Any tricks to getting directpath i/o working? Do I need special drivers for the Intel Pro 1000 PT? It auto-detected when I installed esxi, not sure if I need a special driver in order to make use of directpath i/o or what.... Thanks.
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