diff --git a/XenAdmin/Controls/HaNtolControl.cs b/XenAdmin/Controls/HaNtolControl.cs
index bac2e56e0..1a9f7b0c9 100644
--- a/XenAdmin/Controls/HaNtolControl.cs
+++ b/XenAdmin/Controls/HaNtolControl.cs
@@ -44,7 +44,7 @@ using XenAPI;
 
 namespace XenAdmin.Controls
 {
-    public abstract class HaNtolControl : UserControl
+    public class HaNtolControl : UserControl
     {
         private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
 
@@ -243,9 +243,11 @@ namespace XenAdmin.Controls
             log.Debug("Thread exiting");
         }
 
-        protected abstract void LoadCalculatingMode();
-        protected abstract void LoadCalculationSucceededMode(decimal value);
-        protected abstract void LoadCalculationFailedMode();
+        // These functions should be abstract, but the Designer can't display
+        // a control that is derived from an abstract base class.
+        protected virtual void LoadCalculatingMode() { }
+        protected virtual void LoadCalculationSucceededMode(decimal value) { }
+        protected virtual void LoadCalculationFailedMode() { }
 
         internal void StartNtolUpdate()
         {
diff --git a/XenAdmin/Controls/HaNtolIndicator.Designer.cs b/XenAdmin/Controls/HaNtolIndicator.Designer.cs
index 976e945f3..24778ce30 100644
--- a/XenAdmin/Controls/HaNtolIndicator.Designer.cs
+++ b/XenAdmin/Controls/HaNtolIndicator.Designer.cs
@@ -33,12 +33,12 @@ namespace XenAdmin.Controls
             this.tableServerFailureLimit = new System.Windows.Forms.TableLayoutPanel();
             this.tableStatus = new System.Windows.Forms.TableLayoutPanel();
             this.pictureBoxStatus = new System.Windows.Forms.PictureBox();
+            this.labelStatus = new XenAdmin.Controls.Common.AutoHeightLabel();
             this.label1 = new System.Windows.Forms.Label();
             this.labelMax = new System.Windows.Forms.Label();
             this.spinner = new System.Windows.Forms.PictureBox();
             this.numericUpDownCapacity = new System.Windows.Forms.NumericUpDown();
             this.labelNumberOfServers = new System.Windows.Forms.Label();
-            this.labelStatus = new XenAdmin.Controls.Common.AutoHeightLabel();
             this.groupBoxControls.SuspendLayout();
             this.tableServerFailureLimit.SuspendLayout();
             this.tableStatus.SuspendLayout();
@@ -81,6 +81,12 @@ namespace XenAdmin.Controls
             this.pictureBoxStatus.Name = "pictureBoxStatus";
             this.pictureBoxStatus.TabStop = false;
             // 
+            // labelStatus
+            // 
+            resources.ApplyResources(this.labelStatus, "labelStatus");
+            this.labelStatus.ForeColor = System.Drawing.Color.Red;
+            this.labelStatus.Name = "labelStatus";
+            // 
             // label1
             // 
             resources.ApplyResources(this.label1, "label1");
@@ -114,12 +120,6 @@ namespace XenAdmin.Controls
             resources.ApplyResources(this.labelNumberOfServers, "labelNumberOfServers");
             this.labelNumberOfServers.Name = "labelNumberOfServers";
             // 
-            // labelStatus
-            // 
-            resources.ApplyResources(this.labelStatus, "labelStatus");
-            this.labelStatus.ForeColor = System.Drawing.Color.Red;
-            this.labelStatus.Name = "labelStatus";
-            // 
             // HaNtolIndicator
             // 
             resources.ApplyResources(this, "$this");
diff --git a/XenAdmin/Controls/HaNtolIndicator.resx b/XenAdmin/Controls/HaNtolIndicator.resx
index 1531f958e..f5fefb469 100644
--- a/XenAdmin/Controls/HaNtolIndicator.resx
+++ b/XenAdmin/Controls/HaNtolIndicator.resx
@@ -112,19 +112,19 @@
     <value>2.0</value>
   </resheader>
   <resheader name="reader">
-    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <resheader name="writer">
-    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
-  <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
+  <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
   <data name="groupBoxControls.AutoSizeMode" type="System.Windows.Forms.AutoSizeMode, System.Windows.Forms">
     <value>GrowAndShrink</value>
   </data>
   <data name="tableServerFailureLimit.Anchor" type="System.Windows.Forms.AnchorStyles, System.Windows.Forms">
     <value>Top, Bottom, Left, Right</value>
   </data>
-  <assembly alias="mscorlib" name="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
+  <assembly alias="mscorlib" name="mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
   <data name="tableServerFailureLimit.AutoSize" type="System.Boolean, mscorlib">
     <value>True</value>
   </data>
@@ -149,7 +149,7 @@
   <data name="pictureBoxStatus.ImeMode" type="System.Windows.Forms.ImeMode, System.Windows.Forms">
     <value>NoControl</value>
   </data>
-  <assembly alias="System.Drawing" name="System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
+  <assembly alias="System.Drawing" name="System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
   <data name="pictureBoxStatus.Location" type="System.Drawing.Point, System.Drawing">
     <value>0, 0</value>
   </data>
@@ -169,7 +169,7 @@
     <value>pictureBoxStatus</value>
   </data>
   <data name="&gt;&gt;pictureBoxStatus.Type" xml:space="preserve">
-    <value>System.Windows.Forms.PictureBox, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Windows.Forms.PictureBox, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </data>
   <data name="&gt;&gt;pictureBoxStatus.Parent" xml:space="preserve">
     <value>tableStatus</value>
@@ -190,7 +190,7 @@
     <value>19, 0</value>
   </data>
   <data name="labelStatus.Size" type="System.Drawing.Size, System.Drawing">
-    <value>330, 16</value>
+    <value>326, 16</value>
   </data>
   <data name="labelStatus.TabIndex" type="System.Int32, mscorlib">
     <value>4</value>
@@ -220,7 +220,7 @@
     <value>1</value>
   </data>
   <data name="tableStatus.Size" type="System.Drawing.Size, System.Drawing">
-    <value>352, 16</value>
+    <value>348, 16</value>
   </data>
   <data name="tableStatus.TabIndex" type="System.Int32, mscorlib">
     <value>13</value>
@@ -232,7 +232,7 @@
     <value>tableStatus</value>
   </data>
   <data name="&gt;&gt;tableStatus.Type" xml:space="preserve">
-    <value>System.Windows.Forms.TableLayoutPanel, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Windows.Forms.TableLayoutPanel, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </data>
   <data name="&gt;&gt;tableStatus.Parent" xml:space="preserve">
     <value>tableServerFailureLimit</value>
@@ -262,19 +262,19 @@
     <value>0, 4, 0, 6</value>
   </data>
   <data name="label1.Size" type="System.Drawing.Size, System.Drawing">
-    <value>358, 36</value>
+    <value>354, 36</value>
   </data>
   <data name="label1.TabIndex" type="System.Int32, mscorlib">
     <value>14</value>
   </data>
   <data name="label1.Text" xml:space="preserve">
-    <value>You can limit the number of server failures allowed in the pool under this HA plan.</value>
+    <value>You can specify the number of server failures you need to be able to tolerate in the pool.</value>
   </data>
   <data name="&gt;&gt;label1.Name" xml:space="preserve">
     <value>label1</value>
   </data>
   <data name="&gt;&gt;label1.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </data>
   <data name="&gt;&gt;label1.Parent" xml:space="preserve">
     <value>tableServerFailureLimit</value>
@@ -292,7 +292,7 @@
     <value>NoControl</value>
   </data>
   <data name="labelMax.Location" type="System.Drawing.Point, System.Drawing">
-    <value>155, 36</value>
+    <value>160, 36</value>
   </data>
   <data name="labelMax.Size" type="System.Drawing.Size, System.Drawing">
     <value>1, 26</value>
@@ -307,7 +307,7 @@
     <value>labelMax</value>
   </data>
   <data name="&gt;&gt;labelMax.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </data>
   <data name="&gt;&gt;labelMax.Parent" xml:space="preserve">
     <value>tableServerFailureLimit</value>
@@ -322,7 +322,7 @@
     <value>NoControl</value>
   </data>
   <data name="spinner.Location" type="System.Drawing.Point, System.Drawing">
-    <value>161, 41</value>
+    <value>166, 41</value>
   </data>
   <data name="spinner.Size" type="System.Drawing.Size, System.Drawing">
     <value>16, 16</value>
@@ -337,7 +337,7 @@
     <value>spinner</value>
   </data>
   <data name="&gt;&gt;spinner.Type" xml:space="preserve">
-    <value>System.Windows.Forms.PictureBox, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Windows.Forms.PictureBox, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </data>
   <data name="&gt;&gt;spinner.Parent" xml:space="preserve">
     <value>tableServerFailureLimit</value>
@@ -349,7 +349,7 @@
     <value>Left</value>
   </data>
   <data name="numericUpDownCapacity.Location" type="System.Drawing.Point, System.Drawing">
-    <value>94, 39</value>
+    <value>99, 39</value>
   </data>
   <data name="numericUpDownCapacity.Size" type="System.Drawing.Size, System.Drawing">
     <value>55, 20</value>
@@ -364,7 +364,7 @@
     <value>numericUpDownCapacity</value>
   </data>
   <data name="&gt;&gt;numericUpDownCapacity.Type" xml:space="preserve">
-    <value>System.Windows.Forms.NumericUpDown, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Windows.Forms.NumericUpDown, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </data>
   <data name="&gt;&gt;numericUpDownCapacity.Parent" xml:space="preserve">
     <value>tableServerFailureLimit</value>
@@ -385,19 +385,19 @@
     <value>3, 42</value>
   </data>
   <data name="labelNumberOfServers.Size" type="System.Drawing.Size, System.Drawing">
-    <value>85, 13</value>
+    <value>90, 13</value>
   </data>
   <data name="labelNumberOfServers.TabIndex" type="System.Int32, mscorlib">
     <value>0</value>
   </data>
   <data name="labelNumberOfServers.Text" xml:space="preserve">
-    <value>&amp;Failures allowed:</value>
+    <value>&amp;Failures tolerated:</value>
   </data>
   <data name="&gt;&gt;labelNumberOfServers.Name" xml:space="preserve">
     <value>labelNumberOfServers</value>
   </data>
   <data name="&gt;&gt;labelNumberOfServers.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </data>
   <data name="&gt;&gt;labelNumberOfServers.Parent" xml:space="preserve">
     <value>tableServerFailureLimit</value>
@@ -415,7 +415,7 @@
     <value>3</value>
   </data>
   <data name="tableServerFailureLimit.Size" type="System.Drawing.Size, System.Drawing">
-    <value>358, 84</value>
+    <value>354, 84</value>
   </data>
   <data name="tableServerFailureLimit.TabIndex" type="System.Int32, mscorlib">
     <value>0</value>
@@ -424,7 +424,7 @@
     <value>tableServerFailureLimit</value>
   </data>
   <data name="&gt;&gt;tableServerFailureLimit.Type" xml:space="preserve">
-    <value>System.Windows.Forms.TableLayoutPanel, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Windows.Forms.TableLayoutPanel, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </data>
   <data name="&gt;&gt;tableServerFailureLimit.Parent" xml:space="preserve">
     <value>groupBoxControls</value>
@@ -448,7 +448,7 @@
     <value>3, 3, 6, 0</value>
   </data>
   <data name="groupBoxControls.Size" type="System.Drawing.Size, System.Drawing">
-    <value>368, 101</value>
+    <value>364, 101</value>
   </data>
   <data name="groupBoxControls.TabIndex" type="System.Int32, mscorlib">
     <value>13</value>
@@ -460,7 +460,7 @@
     <value>groupBoxControls</value>
   </data>
   <data name="&gt;&gt;groupBoxControls.Type" xml:space="preserve">
-    <value>System.Windows.Forms.GroupBox, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Windows.Forms.GroupBox, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </data>
   <data name="&gt;&gt;groupBoxControls.Parent" xml:space="preserve">
     <value>$this</value>
@@ -468,7 +468,7 @@
   <data name="&gt;&gt;groupBoxControls.ZOrder" xml:space="preserve">
     <value>0</value>
   </data>
-  <metadata name="$this.Localizable" type="System.Boolean, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+  <metadata name="$this.Localizable" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
     <value>True</value>
   </metadata>
   <data name="$this.AutoScaleDimensions" type="System.Drawing.SizeF, System.Drawing">
@@ -484,6 +484,6 @@
     <value>HaNtolIndicator</value>
   </data>
   <data name="&gt;&gt;$this.Type" xml:space="preserve">
-    <value>System.Windows.Forms.UserControl, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>XenAdmin.Controls.HaNtolControl, XenCenterMain, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null</value>
   </data>
 </root>
\ No newline at end of file