CheckAllComputersForPath.ps1

$Computers = (Get-ADComputer -Filter {Name -like '*'}).DNSHostName
$TestedPath = "C:\Program Files\Git" # this is the example path I am checking for.

if(-not $Credential ){
    $Credential = Get-Credential 
}

Write-Verbose "Determining which computers can be reached, this may take a long time depending on your environment." -Verbose
[string[]] $reachableComputers = $Computers | where {Test-Connection -ComputerName $_ -Quiet -Count 1}

Write-Verbose "Done. Testing all$($reachableComputers.count) computers..." -Verbose
$job = Invoke-Command -ComputerName $reachableComputers -Credential $Credential -ScriptBlock {     
    [pscustomobject]@{
        PathLocated = (Test-Path -Path $using:TestedPath)
    }
    # This is returning an object instead of just a boolean, 
    # because then invoke-command automagically attaches the computername
} -AsJob -ErrorAction SilentlyContinue


$results = $job | Receive-Job
$results | Format-Table -AutoSize