Gets a computer to boot on PXE at next boot, clears the flag, or retrieve the information. For Dell systems with the Sysman WMI layer installed.

PXENextBoot-Dell.ps1

<#
    Gets a computer to boot on PXE at next boot, clears the flag,
    or retrieve the information.

    Works for Dell systems with the Sysman WMI layer installed.

    LAST UPDATED:  18/02/2015
    AUTHOR      :  Xavier Plantefève
#>


$BIOSPwd = 'My BIOS Password'

Function Set-PXEBoot {
	Param( [string]$ComputerName = '.' )
	(Get-WmiObject -Class DCIM_BIOSService -Namespace root/dcim/sysman `
        -ComputerName $ComputerName).SetBIOSAttributes($null,$null,'Force PXE on Next Boot','2',$Global:BIOSPwd)
}

Function Clear-PXEBoot {
	Param( [string]$ComputerName = '.' )
	(Get-WmiObject -Class DCIM_BIOSService -Namespace root/dcim/sysman `
        -ComputerName $ComputerName).SetBIOSAttributes($null,$null,'Force PXE on Next Boot','1',$Global:BIOSPwd)
}

Function Get-PXEBoot {
	Param( [string]$ComputerName = '.' )
    $PXENextBoot = (Get-WmiObject -Class DCIM_BIOSEnumeration -Namespace root/dcim/sysman `
        -ComputerName $ComputerName | where { $_.InstanceID -like '*/BiosSetupPXENextBoot' }).CurrentValue
    Switch ($PXENextBoot) {
		(1) { $PXENextBoot = $false }
		(2) { $PXENextBoot = $true }
	 }
	 $PXENextBoot
}

New-Alias -Name setpxe -Value "Set-PXEBoot" -Scope Global
New-Alias -Name resetpxe -Value "Clear-PXEBoot" -Scope Global
New-Alias -Name getpxe -Value "Get-PXEBoot" -Scope Global