Set-HostFirmware

VMware: Configures hosts firmware settings

Script

#Requires -Version 5.1
#Requires -Modules VMware.VimAutomation.Core
[CmdletBinding(DefaultParameterSetName = "Reset")]
Param(
    [Parameter(Mandatory = $true, ParameterSetName = "Reset")]
    [Parameter(Mandatory = $true, ParameterSetName = "Restore")]
    [string]$VIServer,
    [Parameter(Mandatory = $true, ParameterSetName = "Reset")]
    [Parameter(Mandatory = $true, ParameterSetName = "Restore")]
    [pscredential]$VICredential,
    [Parameter(Mandatory = $true, ParameterSetName = "Reset")]
    [Parameter(Mandatory = $true, ParameterSetName = "Restore")]
    [string]$HostName,
    [Parameter(Mandatory = $true, ParameterSetName = "Restore")]
    [pscredential]$HostCredential,
    [Parameter(ParameterSetName = "Restore")]
    [string]$SourcePath
)
Process {
    $vmServer = $null
    try {
        $vmServer = Connect-VIServer -Server $VIServer -Credential $VICredential -ErrorAction Stop
        $timestamp = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
        $vmHost = Get-VMHost -Server $vmServer -Name $HostName -ErrorAction Stop
        Set-VMHost -VMHost $vmHost -State 'Maintenance'
        if ($PSCmdlet.ParameterSetName -eq "Reset") {
            $null = Set-VMHostFirmware -Server $vmServer -VMHost $vmHost -ResetToDefaults -Confirm:$false -ErrorAction Stop
        }
        else {
            $null = Set-VMHostFirmware -Server $vmServer -VMHost $vmHost -Restore -HostCredential $HostCredential -SourcePath $SourcePath -Force:$true -Confirm:$false -ErrorAction Stop
        }
        $result = Get-VMHostFirmware -Server $vmServer -VMHost $vmHost -ErrorAction Stop | Select-Object *
        foreach ($item in $result) {
            $item | Add-Member -NotePropertyName 'Timestamp' -NotePropertyValue $timestamp -Force
            Write-Output $item
        }
    }
    catch { throw }
    finally { if ($null -ne $vmServer) { Disconnect-VIServer -Server $vmServer -Force -Confirm:$false -ErrorAction SilentlyContinue } }
}

Customize

VIServer string

IP address or DNS name of the vSphere server

VICredential pscredential

PSCredential object for authenticating with the server

HostName string

Name of the host to modify firmware settings

HostCredential pscredential

Credential for authenticating with the host when restoring

SourcePath string

Path to the host configuration backup bundle to restore