Delete FNTCACHE.DAT

Import-Module activedirectory

$searchbase = "OU=test,OU=test,DC=domain,DC=com"

$query = Get-ADComputer -Filter * -SearchBase $searchbase | Select Name | Sort Name
$computers = $query.Name

foreach ($computer in $computers)
{
    Write-Host "Connecting..."
    If(Test-Connection $computer -Count 1 -Quiet) #Check that PC is online
    {
        If(Test-WSMan $computer) #PC is online so check if WinRM enabled
        {
            #WinRM is enabled, delete file via Invoke-Command
            Write-Host "WinRM is enabled on $computer, proceeding..."
            Write-Host "$computer - Deleting files via WinRM!"
            Invoke-Command -ComputerName $computer -ScriptBlock {Remove-Item -Path "C:\Windows\System32\FNTCACHE.DAT" -Recurse -Force}
            Write-Host -ForegroundColor Green "$computer - Done!"
        }
        else
        {
            #WinRM not enabled, delete file via UNC path
            $file = "\\$($computer)\c$\Windows\System32\FNTCACHE.DAT"
            Write-Host "WinRM is not enabled on $computer, proceeding..."
            Write-Host "$computer - Deleting files via UNC!"
            Remove-Item $file -force -recurse
            Write-Host -ForegroundColor Green "$computer - Done!"
        }
    }
    else
    {
        #PC was offline
        Write-Host -ForegroundColor Red "$computer - Offline!"
    }
}