diff --git a/server/src/com/cloud/configuration/ConfigurationManagerImpl.java b/server/src/com/cloud/configuration/ConfigurationManagerImpl.java
index 89a640daed4..704162e19c1 100755
--- a/server/src/com/cloud/configuration/ConfigurationManagerImpl.java
+++ b/server/src/com/cloud/configuration/ConfigurationManagerImpl.java
@@ -324,6 +324,7 @@ public class ConfigurationManagerImpl extends ManagerBase implements Configurati
     private int _maxVolumeSizeInGb = Integer.parseInt(Config.MaxVolumeSize.getDefaultValue());
     private long _defaultPageSize = Long.parseLong(Config.DefaultPageSize.getDefaultValue());
     protected Set<String> configValuesForValidation;
+    private Set<String> weightBasedParametersForValidation;
 
     @Override
     public boolean configure(final String name, final Map<String, Object> params) throws ConfigurationException {
@@ -336,6 +337,7 @@ public class ConfigurationManagerImpl extends ManagerBase implements Configurati
                 Long.parseLong(Config.DefaultPageSize.getDefaultValue()));
 
         populateConfigValuesForValidationSet();
+        weightBasedParametersForValidation();
         return true;
     }
 
@@ -361,6 +363,28 @@ public class ConfigurationManagerImpl extends ManagerBase implements Configurati
         configValuesForValidation.add("incorrect.login.attempts.allowed");
     }
 
+    private void weightBasedParametersForValidation() {
+        weightBasedParametersForValidation = new HashSet<String>();
+        weightBasedParametersForValidation.add(Config.CPUCapacityThreshold.key());
+        weightBasedParametersForValidation.add(Config.StorageAllocatedCapacityThreshold.key());
+        weightBasedParametersForValidation.add(Config.StorageCapacityThreshold.key());
+        weightBasedParametersForValidation.add(Config.MemoryCapacityThreshold.key());
+        weightBasedParametersForValidation.add(Config.PublicIpCapacityThreshold.key());
+        weightBasedParametersForValidation.add(Config.PrivateIpCapacityThreshold.key());
+        weightBasedParametersForValidation.add(Config.SecondaryStorageCapacityThreshold.key());
+        weightBasedParametersForValidation.add(Config.VlanCapacityThreshold.key());
+        weightBasedParametersForValidation.add(Config.DirectNetworkPublicIpCapacityThreshold.key());
+        weightBasedParametersForValidation.add(Config.LocalStorageCapacityThreshold.key());
+        weightBasedParametersForValidation.add(Config.StorageAllocatedCapacityDisableThreshold.key());
+        weightBasedParametersForValidation.add(Config.StorageCapacityDisableThreshold.key());
+        weightBasedParametersForValidation.add(Config.CPUCapacityDisableThreshold.key());
+        weightBasedParametersForValidation.add(Config.MemoryCapacityDisableThreshold.key());
+        weightBasedParametersForValidation.add(Config.AgentLoadThreshold.key());
+        weightBasedParametersForValidation.add(Config.VmUserDispersionWeight.key());
+
+
+    }
+
     @Override
     public boolean start() {
 
@@ -733,6 +757,18 @@ public class ConfigurationManagerImpl extends ManagerBase implements Configurati
             }
         }
 
+        if (type.equals(Float.class)) {
+            try {
+                Float val = Float.parseFloat(value);
+                if (weightBasedParametersForValidation.contains(name) && (val < 0f || val > 1f)) {
+                    throw new InvalidParameterValueException("Please enter a value between 0 and 1 for the configuration parameter: "+ name);
+                }
+            } catch (NumberFormatException e) {
+                s_logger.error("There was an error trying to parse the float value for:" + name);
+                throw new InvalidParameterValueException("There was an error trying to parse the float value for:" + name);
+            }
+        }
+
         String range = c.getRange();
         if (range == null) {
             return null;
diff --git a/test/integration/smoke/test_scale_vm.py b/test/integration/smoke/test_scale_vm.py
index b23ddd1b2cd..fd8d61e58f7 100644
--- a/test/integration/smoke/test_scale_vm.py
+++ b/test/integration/smoke/test_scale_vm.py
@@ -142,7 +142,7 @@ class TestScaleVm(cloudstackTestCase):
         #how does it work ??
         cls._cleanup = [
                         cls.small_offering,
-                        cls.account
+                        #cls.account
                         ]
 
     @classmethod
@@ -170,9 +170,10 @@ class TestScaleVm(cloudstackTestCase):
         
       
       
-        self.debug("Scaling VM-ID: %s to service offering: %s" % (
+        self.debug("Scaling VM-ID: %s to service offering: %s and state %s" % (
                                         self.virtual_machine.id,
-                                        self.big_offering.id
+                                        self.big_offering.id,
+					self.virtual_machine.state
                                         ))
         
         cmd = scaleVirtualMachine.scaleVirtualMachineCmd()
@@ -204,6 +205,12 @@ class TestScaleVm(cloudstackTestCase):
                         "Check virtual machine ID of scaled VM"
                         )
 
+        self.debug("Scaling VM-ID: %s from service offering: %s to new service offering %s and the response says %s" % (
+                                        self.virtual_machine.id,
+					self.virtual_machine.serviceofferingid,
+                                        self.big_offering.id,
+					vm_response.serviceofferingid
+                                        ))
         self.assertEqual(
                         vm_response.serviceofferingid,
                         self.big_offering.id,