Network connectivity is lost on ESXi host after reboot.

Products

• VMware vSphere ESXi

Issue/Introduction

• An ESXi host shows as "not responding" state in vCenter Server.
• "Auto-configuring network. Failed." is seen on the "Restore Network Settings" from host DCUI.
  
• No network configuration is seen from the output of commands "esxcfg-vswitch -l" and "esxcfg-vmknic -l"  

Environment

VMware vSphere ESXi

Resolution

From the ESXi DCUI, create a standard vSwitch and Management network Configuring Standard vSwitch (vSS) or virtual Distributed Switch (vDS) from the command line in ESXi

Additional Information

Troubleshooting an ESXi host in a "not responding"/"disconnected" state