diff --git a/src/CollectdWinService/app.config b/src/CollectdWinService/app.config
index 1c059b2..43aeed2 100644
--- a/src/CollectdWinService/app.config
+++ b/src/CollectdWinService/app.config
@@ -118,7 +118,7 @@
 					CollectdPluginInstance="" CollectdType="count" CollectdTypeInstance="avg_write_queue_length" />
 
         <Counter Category="PhysicalDisk" Name="% Idle Time" Instance=".*" CollectdPlugin="physical_disk"
-					CollectdPluginInstance="" CollectdType="disk" CollectdTypeInstance="idle_time" />
+					CollectdPluginInstance="" CollectdType="disk" CollectdTypeInstance="percent_idle_time" />
 
         <Counter Category="PhysicalDisk" Name="Avg. Disk sec/Read" Instance=".*" CollectdPlugin="physical_disk"
 					CollectdPluginInstance="" CollectdType="seconds" CollectdTypeInstance="avg_sec_per_read" />
@@ -126,20 +126,14 @@
         <Counter Category="PhysicalDisk" Name="Avg. Disk sec/Write" Instance=".*" CollectdPlugin="physical_disk"
 					CollectdPluginInstance="" CollectdType="seconds" CollectdTypeInstance="avg_sec_per_write" />
 
-        <Counter Category="PhysicalDisk" Name="% Disk Read Time" Instance=".*" CollectdPlugin="physical_disk"
-					CollectdPluginInstance="" CollectdType="percent" CollectdTypeInstance="percent_read_time" />
-
-        <Counter Category="PhysicalDisk" Name="% Disk Write Time" Instance=".*" CollectdPlugin="physical_disk"
-					CollectdPluginInstance="" CollectdType="percent" CollectdTypeInstance="percent_write_time" />
-
         <!-- Logical Disk -->
         <Counter Category="LogicalDisk" Name="% Free Space" Instance=".*" CollectdPlugin="logical_disk"
 					CollectdPluginInstance="" CollectdType="percent" CollectdTypeInstance="percent_free" />
         
-        <Counter Category="LogicalDisk" Name="Free Megabytes" Instance=".*" Multiplier="1048576" CollectdPlugin="logical_disk"
-					CollectdPluginInstance="" CollectdType="bytes" CollectdTypeInstance="bytes_free" />
+        <Counter Category="LogicalDisk" Name="Free Megabytes" Instance=".*" CollectdPlugin="logical_disk"
+					CollectdPluginInstance="" CollectdType="bytes" CollectdTypeInstance="megabytes_free" />
 
-        <Counter Category="LogicalDisk" Name="Avg. Disk Queue Length" Instance=".*" Multiplier="1048576" CollectdPlugin="logical_disk"
+        <Counter Category="LogicalDisk" Name="Avg. Disk Queue Length" Instance=".*" CollectdPlugin="logical_disk"
 					CollectdPluginInstance="" CollectdType="count" CollectdTypeInstance="avg_queue_length" />
 
         <!-- Network Interface -->