param( [string] $esxhost,${newrootpasswd},$whatif=1,$showpasswd=0)

$ErrorActionPreference = "SilentlyContinue"
$WarningPreference = "SilentlyContinue"

if (!$esxhost){Write-Host -ForegroundColor Red "no host input";break}

# Password list ("" for *blank*)
${passwds} = "password","vmware","esxi","","0123456789"


foreach ($passwd in $passwds){
		$conex = Connect-VIServer -Server $esxhost -User root -Password $passwd -ErrorAction SilentlyContinue -WarningAction 0
		if ($conex.IsConnected -eq "True") {break}
	}
	
if (!$conex.IsConnected -eq "True"){
		Write-Host $esxhost -NoNewline
		Write-Host " " -NoNewline
		Write-Host -ForegroundColor Red "Bad Password !"
	}
	else{
		Write-Host $conex.Name -NoNewline
		Write-Host " " -NoNewline
	
		if ($passwd -eq $newrootpasswd){
			Write-Host "ROOT PASSWORD == !" -BackgroundColor yellow -ForegroundColor black
		}
		else{
			if ($whatif -eq "0"){
				$setpasswd = Get-VMHostAccount -User "root"|Set-VMHostAccount -Password $newrootpasswd
				if ($setpasswd.Id -eq "root"){Write-Host "ROOT PASSWORD CHANGED !" -BackgroundColor green -ForegroundColor black}
				else {Write-Host "Set-VMHostAccount ERROR !" -BackgroundColor red -ForegroundColor black}
			}	
			elseif ($whatif -eq "1" -and $showpasswd -eq "0"){
			Write-Host "ROOT PASSWORD NOT CHANGED !" -BackgroundColor red -ForegroundColor black
			}
			elseif ($whatif -eq "1" -and $showpasswd -eq "1"){
			Write-Host "ROOT PASSWORD = $passwd" -BackgroundColor Cyan -ForegroundColor black
			}			
		}
		Disconnect-VIServer -Server $esxhost -Confirm:$false
	}