Esxi 4 not recognizing Intel QUAD port ET 82576 NIC in Dell R720

If you install Esx/Esxi 4.0 on Dell R720 server then after installation you will face a problem that your Esxi  server is unable to find NIC’s. This is due to missing NIC’s driver in Esxi 4.0 version. This is a known issue in Dell R720 model. 

You can follow the below mentioned steps to workaround this issue:

1: Download the required drivers from Here

2: Extract the iso image and Use WinSCP to copy the extracted files to a directory on your ESX host.

3: Use putty login to your host and change to the directory that contains the files which you just copied using WinSCP.

4: Put your host into maintenance mode

5: Run the command:

esxupdate – update

6: Once the process finishes, reboot your host and exit maintenance mode. Your NIC will be now active.


About Manish Jha

Hi All I am Manish Kumar Jha aka Alex Hunt. I am currently working in VMware Software India Pvt Ltd as Operations System Engineer (vCloud Air Operations). I have around 5 Years of IT experience and have exposure on VMware vSphere, vCloud Director, RHEL and modern data center technologies like Cisco UCS and Cisco Nexus 1000v and NSX. If you find any post informational to you please press like and share it across social media and leave your comments if you want to discuss further on any post. Disclaimer: All the information on this website is published in good faith and for general information purpose only. I don’t make any warranties about the completeness, reliability and accuracy of this information. Any action you take upon the information you find on this blog is strictly at your own risk. The Views and opinions published on this blog are my own and not the opinions of my employer or any of the vendors of the product discussed.
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