Backup ESXi Host Configuration

Download and install the VMware Power CLI module for Power Shell.

Execute the following command to enable remote signed scripts
Set-ExecutionPolicy RemoteSigned

Execute the following code to connect to vCentre or ESXi host
Connect-VIServer -Server vcenter01 -User admin -Password pass

Execute the following code to download the host configuration data for all hosts in vCentre or on the ESXi host.
get-vmhost | get-vmhostfirmware -BackupConfiguration -DestinationPath “C:Download”

To restore the host configuration to an ESXi host first put it in maintenance mode via the vSphere Client or via the Power CLI.
Set-VMHost -VMHost esxi5-03.lab.local -State “Maintenance”

Next execute the following command to restore a hosts configuration.
Set-VMHostFirmware -VMHost -Restore -Force -SourcePath

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