Backup & Restore de configuration ESXi en ligne de commande avec PowerCLI.

Backup

Connect-VIServer <mon-esxi-ip>
Get-VMHostFirmware -VMHost <mon-esxi-ip> -BackupConfiguration -DestinationPath "C:\Downloads"

Restore

Set-VMHost -VMHost <mon-esxi-ip> -State "Maintenance"
Get-VMHost "<mon-esxi-ip>" | Set-VMHostFirmware -Restore -DestinationPath "C:\Downloads"
Get-vmhost "<mon-esxi-ip>" | Set-VMHostFirmware -Restore -Force -DestinationPath "C:\Downloads"