Douglas,

This should give you the required results. (I need to go away and put this into some of my other scripts now!) [Big Grin]

Thanks for Lonkero's and Erik's help.

Duncan

code:
 


$objWMI = GetObject("winmgmts:{impersonationlevel=impersonate}!//" + @WKSTA)

$colDisks = $objWMI.ExecQuery("select * from win32_logicalDisk")
	For Each $objDisk In $colDisks
		if $objdisk.mediatype = 12
			$name = $objdisk.name
			$volsize = $objDisk.size
			$freespace = $objDisk.freespace
			
			$freekb = CDbl($freespace) / 1024
			$freemb = CDbl($freekb) / 1024
			
			$VolKb = CDbl($volsize) / 1024
			$volMb = CDbl($volKb) / 1024
			
		;	? "Name is: " + $name
		;	? "Volume size in bytes is: " + $volsize
		;	? "Volume size in kb is: " + FormatNumber($volKb,1)
		;	? "Volume size in Mb is: " + FormatNumber($volMb,1)
			
		
		;	? "Free space in bytes is: " + $freespace
		;	? "Free space kb is: " + FormatNumber($freeKb,1)
		;	? "Free space in Mb is: " + FormatNumber($freeMb,1)	
		
			$per = $freemb / $volmb * 100

				If $per < 15

					messagebox(FormatNumber($per,1)+ "% Disk Space free","Disk Space",48)
				Endif			

		endif

Next
$objWMI = 0