Dell ESXi host boot fails with an error "Unable to process an iDRAC request to configure Secure Boot keys because of a communication error between BIOS and iDRAC"

Products

• VMware vSphere ESXi

Issue/Introduction

• From the Dell iDRAC console, the screen is in a hung state.

• The ESXi host is not booting up and cannot continue further to this screen.

• Error Details: 

  UEFI0315: Unable to process an iDRAC request to configure Secure Boot keys because of a communication error between BIOS and iDRAC.

   

• Proceed with one of the following:

Remove input power from the system, wait for 30 seconds, and then reconnect the input power. Turn on the server and retry the operation.

Make sure the iDRAC firmware and BIOS firmware on the system is up to date and retry the operation.

Environment

VMware vSphere ESXi 8.X

VMware vSphere ESXi 7.X

Cause

• This error banner is displayed when BIOS fails to receive an expected Secure Boot setting value during the Power-On Self-Test (POST) sequence.
• When iDRAC8 is downgraded from 2.70.70.70, this reading fails regardless of Secure Boot settings within the server BI

Resolution

1. Reach out to the Dell Hardware vendor to fix the reported issue.
   
   
2. Refer to the Dell article below for more details:

iDRAC: iDRAC8 | UEFI0315 Error at POST after downgrading iDRAC8 firmware

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