This message was posted on behalf of Intel Corporation
Thank you for the post. We don't have driver specifically for Windows Storage Server 2012. You may check on our download center that there is no Windows Storage Server 2012 driver available.
I219 (We only have Windows 2012 R2 driver)
As Windows Storage Server 2012 are supplied as OEM solution for the OEM server, you can
check with the OEM board vendor if they have customized drivers for the onboard NIC.
Please contact your manufacturer for support, drivers, and software if you have an OEM product.
Here is the website you may refer about support for onboard NIC:
Hope this clarified.