ESXi host in "not responding" state after patching

Products

• VMware vSphere ESXi 7.0
• VMware vSphere ESXi 8.0

Issue/Introduction

• ESXi host shows as "not responding" in vCenter after patching.
• The ESXi host management ip is not responding to ping thus unable to login via host client/ssh etc.
• The hardware management page (iLO/iDRAC) is unable to load and hardware management ip is not responding to ping as well.

Environment

VMware vSphere ESXi 7.0
VMware vSphere ESXi 8.0

Cause

This issue is caused by hardware fault.

Resolution

1. Perform hardware power reset
2. Contact hardware vendor if still unable to bring up the ESXi host

Additional Information

For other possible causes and steps to troubleshoot an ESXi host in "not responding" state, please refer to:
Troubleshooting an ESXi host in a "not responding" state