TA -1168: Intel® Data Center System for HCI, Certified for Nutanix* Enterprise Cloud Platform – HNS2600BPB24NUR will Fail to Complete LCM Update
TA-1168 (PDF) 
The Nutanix* LCM update and inventory tool will identify that the node firmware needs updating to the current LCM 6.00 package. When the update runs and completes, the final step will indicate the update failed or was incomplete.
The Technical Advisory document explains the root case of the update failure and steps to work around it.
Size: 79 KB
Date: January 2022
Note: PDF files require Adobe Acrobat Reader*.