How to Update Intel X722 Network Adapter Firmware in VMware ESXi

Written By Sebastian Sime (Super Administrator)

Updated at July 22nd, 2026

→ Applies to: VMware ESXi 6.5.0 and above

PREREQUISITES

Maintenance mode: ensure the host is in maintenance mode and a downtime window is available, as the update requires a reboot to complete;
ISO: Download the firmware update ("ISO")

 

Step 1. Mount the ISO via IPMI ("How to Mount an ISO via IPMI")

Select the virtual CDROM device

 

Step 2. From the Tiny Core Linux console, mount the ISO

mount /dev/sr0 /mnt/sr0

 

Step 3. Navigate to the packages folder

cd /mnt/sr0/cde/optional/

 

Step 4. Install bash

tce-load -wi bash.tcz

 

Step 5. Install coreutils

tce-load -wi coreutils.tcz

 

Step 6. Change to bash shell

sudo sh -c 'bash'

 

Step 7. Navigate to the firmware folder

cd /tmp/firmware/DDW3A_NUP

 

Step 8. Give permissions to FWUpdate.sh file

chmod +x FWUpdate.sh

 

Step 9. Update the firmware

./FWUpdate.sh

 

Step 10. Reboot the system

reboot