diff --git a/server/src/com/cloud/network/lb/LoadBalancingRulesManagerImpl.java b/server/src/com/cloud/network/lb/LoadBalancingRulesManagerImpl.java
index 402984329d5..8730a7a3a8a 100644
--- a/server/src/com/cloud/network/lb/LoadBalancingRulesManagerImpl.java
+++ b/server/src/com/cloud/network/lb/LoadBalancingRulesManagerImpl.java
@@ -596,7 +596,7 @@ public class LoadBalancingRulesManagerImpl<Type> extends ManagerBase implements
          */
         if (!validateHealthCheck(cmd)) {
             throw new InvalidParameterValueException(
-                "Failed to create HealthCheck policy: Validation Failed (HealthCheck Policy is not supported by LB Provider for the LB rule id :)" + cmd.getLbRuleId());
+                "Failed to create HealthCheck policy: Validation Failed (HealthCheck Policy is not supported by LB Provider for the LB rule id :" + cmd.getLbRuleId() + ")");
         }
 
         /* Validation : check for the multiple hc policies to the rule id */
diff --git a/ui/scripts/autoscaler.js b/ui/scripts/autoscaler.js
index bbd6d9ac977..e8ac0443662 100644
--- a/ui/scripts/autoscaler.js
+++ b/ui/scripts/autoscaler.js
@@ -1116,7 +1116,7 @@
                     var apiCmd, apiCmdRes;
                     if (!('multiRules' in args.context)) { //from a new LB
                         var data = {
-                            zoneid: args.context.networks[0].zoneid, //get zoneid from args.context.networks[0] instead of args.context.ipAddresses[0] because args.context.ipAddresses is null when adding AutoScale rule from Add Load Balancer tab in Network page
+                            zoneid: args.context.networks[0].zoneid ? args.context.networks[0].zoneid : args.context.ipAddresses[0].zoneid, //get zoneid from args.context.networks[0]. If it is not null then get it from args.context.ipAddresses[0] because args.context.ipAddresses is null when adding AutoScale rule from Add Load Balancer tab in Network page
                             serviceofferingid: args.data.serviceOfferingId,
                             templateid: args.data.templateNames,
                             destroyvmgraceperiod: args.data.destroyVMgracePeriod,
diff --git a/ui/scripts/network.js b/ui/scripts/network.js
index d96dbbc5240..a978d07265f 100755
--- a/ui/scripts/network.js
+++ b/ui/scripts/network.js
@@ -3673,22 +3673,7 @@
                                                             success: function(json) {
                                                                 var networkOffering = json.listnetworkofferingsresponse.networkoffering[0];
                                                                 var services = networkOffering.service;
-                                                                if (services != null) {
-                                                                    for (var i = 0; i < services.length; i++) {
-                                                                        if (services[i].name == 'Lb') {
-                                                                            var providers = services[i].provider;
-                                                                            if (providers != null) {
-                                                                                for (var k = 0; k < providers.length; k++) {
-                                                                                    if (providers[k].name == 'Netscaler') {
-                                                                                        lbProviderIsNetscaler = true;
-                                                                                        break;
-                                                                                    }
-                                                                                }
-                                                                            }
-                                                                            break;
-                                                                        }
-                                                                    }
-                                                                }
+                                                                lbProviderIsNetscaler = checkIfNetScalerProviderIsEnabled(services);
                                                             }
                                                         });
                                                         if (lbProviderIsNetscaler == true) { //AutoScale is only supported on Netscaler (but not on any other provider like VirtualRouter)
@@ -3697,8 +3682,16 @@
                                                             return 2; //hide Autoscale button (both header and form)
                                                         }
                                                     } else { //from VPC section
-                                                        //VPC doesn't support autoscale
-                                                        return 2;
+                                                        var lbProviderIsNetscaler;
+                                                        var services = args.context.vpc[0].service;
+
+                                                        lbProviderIsNetscaler = checkIfNetScalerProviderIsEnabled(services);
+
+                                                        if (lbProviderIsNetscaler == true) { //AutoScale is only supported on Netscaler (but not on any other provider like VirtualRouter)
+                                                            return false; //show AutoScale button
+                                                        } else {
+                                                            return 2; //hide Autoscale button (both header and form)
+                                                        }
                                                     }
                                                 }
                                             },
diff --git a/ui/scripts/ui-custom/autoscaler.js b/ui/scripts/ui-custom/autoscaler.js
index ca37bea3ce3..52eb5ea334b 100644
--- a/ui/scripts/ui-custom/autoscaler.js
+++ b/ui/scripts/ui-custom/autoscaler.js
@@ -333,7 +333,7 @@
 
             var $loading = $('<div>').addClass('loading-overlay').appendTo($autoscalerDialog);
             $autoscalerDialog.dialog({
-                title: 'label.autoscale.configuration.wizard',
+                title: _l('label.autoscale.configuration.wizard'),
                 width: 825,
                 height: 600,
                 draggable: true,
diff --git a/ui/scripts/ui-custom/healthCheck.js b/ui/scripts/ui-custom/healthCheck.js
index 3280dd9c821..43070c3d211 100644
--- a/ui/scripts/ui-custom/healthCheck.js
+++ b/ui/scripts/ui-custom/healthCheck.js
@@ -35,9 +35,9 @@
             var topFieldForm, bottomFieldForm, $topFieldForm, $bottomFieldForm;
             var topfields = forms.topFields;
 
-            var $healthCheckDesc = $('<div>' + 'label.health.check.message.desc' + '</div>').addClass('health-check-description');
-            var $healthCheckConfigTitle = $('<div><br><br>' + 'label.health.check.configurations.options' + '</div>').addClass('health-check-config-title');
-            var $healthCheckAdvancedTitle = $('<div><br><br>' + 'label.health.check.advanced.options' + '</div>').addClass('health-check-advanced-title');
+            var $healthCheckDesc = $('<div>' + _l('label.health.check.message.desc') + '</div>').addClass('health-check-description');
+            var $healthCheckConfigTitle = $('<div><br><br>' + _l('label.health.check.configurations.options') + '</div>').addClass('health-check-config-title');
+            var $healthCheckAdvancedTitle = $('<div><br><br>' + _l('label.health.check.advanced.options') + '</div>').addClass('health-check-advanced-title');
 
             var $healthCheckDialog = $('<div>').addClass('health-check');
             $healthCheckDialog.append($healthCheckDesc);
@@ -200,7 +200,7 @@
                             error: function(json) {
 
                                 cloudStack.dialog.notice({
-                                    message: _s(json.responseText)
+                                    message: parseXMLHttpResponse(json)
                                 }); //Error message in the API needs to be improved
                                 $healthCheckDialog.dialog('close');
                                 $('.overlay').remove();
@@ -361,8 +361,8 @@
             }
 
             $healthCheckDialog.dialog({
-                title: 'label.health.check.wizard',
-                width: 600,
+                title: _l('label.health.check.wizard'),
+                width: 630,
                 height: 600,
                 draggable: true,
                 closeonEscape: false,