diff --git a/server/src/main/java/com/cloud/configuration/ConfigurationManagerImpl.java b/server/src/main/java/com/cloud/configuration/ConfigurationManagerImpl.java
index 246681f75851..5080355de9e7 100644
--- a/server/src/main/java/com/cloud/configuration/ConfigurationManagerImpl.java
+++ b/server/src/main/java/com/cloud/configuration/ConfigurationManagerImpl.java
@@ -3198,14 +3198,8 @@ public ServiceOffering createServiceOffering(final CreateServiceOfferingCmd cmd)
         final String offeringName = cmd.getServiceOfferingName();
 
         final String name = cmd.getServiceOfferingName();
-        if (name == null || name.length() == 0) {
-            throw new InvalidParameterValueException("Failed to create service offering: specify the name that has non-zero length");
-        }
-
         final String displayText = cmd.getDisplayText();
-        if (displayText == null || displayText.length() == 0) {
-            throw new InvalidParameterValueException("Failed to create service offering " + name + ": specify the display text that has non-zero length");
-        }
+        checkNameAndText(name, displayText);
 
         final Integer cpuNumber = cmd.getCpuNumber();
         final Integer cpuSpeed = cmd.getCpuSpeed();
@@ -3218,49 +3212,11 @@ public ServiceOffering createServiceOffering(final CreateServiceOfferingCmd cmd)
         Integer minMemory = cmd.getMinMemory();
 
         // Check if service offering is Custom,
-        // If Customized, the following conditions must hold
-        // 1. cpuNumber, cpuSpeed and memory should be all null
-        // 2. minCPU, maxCPU, minMemory and maxMemory should all be null or all specified
         boolean isCustomized = cmd.isCustomized();
         if (isCustomized) {
-            // validate specs
-            //restricting the createserviceoffering to allow setting all or none of the dynamic parameters to null
-            if (cpuNumber != null || memory != null) {
-                throw new InvalidParameterValueException("For creating a custom compute offering cpu and memory all should be null");
-            }
-            // if any of them is null, then all of them shoull be null
-            if (maxCPU == null || minCPU == null || maxMemory == null || minMemory == null || cpuSpeed == null) {
-                if (maxCPU != null || minCPU != null || maxMemory != null || minMemory != null || cpuSpeed != null) {
-                    throw new InvalidParameterValueException("For creating a custom compute offering min/max cpu and min/max memory/cpu speed should all be null or all specified");
-                }
-            } else {
-                if (cpuSpeed.intValue() < 0 || cpuSpeed.longValue() > Integer.MAX_VALUE) {
-                    throw new InvalidParameterValueException("Failed to create service offering " + offeringName + ": specify the cpu speed value between 1 and " + Integer.MAX_VALUE);
-                }
-                if ((maxCPU <= 0 || maxCPU.longValue() > Integer.MAX_VALUE) || (minCPU <= 0 || minCPU.longValue() > Integer.MAX_VALUE )  ) {
-                    throw new InvalidParameterValueException("Failed to create service offering " + offeringName + ": specify the minimum or minimum cpu number value between 1 and " + Integer.MAX_VALUE);
-                }
-                if (minMemory < 32 || (minMemory.longValue() > Integer.MAX_VALUE) || (maxMemory.longValue() > Integer.MAX_VALUE)) {
-                    throw new InvalidParameterValueException("Failed to create service offering " + offeringName + ": specify the memory value between 32 and " + Integer.MAX_VALUE + " MB");
-                }
-                // Persist min/max CPU and Memory parameters in the service_offering_details table
-                details.put(ApiConstants.MIN_MEMORY, minMemory.toString());
-                details.put(ApiConstants.MAX_MEMORY, maxMemory.toString());
-                details.put(ApiConstants.MIN_CPU_NUMBER, minCPU.toString());
-                details.put(ApiConstants.MAX_CPU_NUMBER, maxCPU.toString());
-            }
+            checkSpeedOnCustomOffering(cpuNumber, memory, maxCPU, minCPU, maxMemory, minMemory, cpuSpeed, offeringName, details);
         } else {
-            Integer maxCPUCores = VM_SERVICE_OFFERING_MAX_CPU_CORES.value() == 0 ? Integer.MAX_VALUE: VM_SERVICE_OFFERING_MAX_CPU_CORES.value();
-            Integer maxRAMSize = VM_SERVICE_OFFERING_MAX_RAM_SIZE.value() == 0 ? Integer.MAX_VALUE: VM_SERVICE_OFFERING_MAX_RAM_SIZE.value();
-            if (cpuNumber != null && (cpuNumber.intValue() <= 0 || cpuNumber.longValue() > maxCPUCores)) {
-                throw new InvalidParameterValueException("Failed to create service offering " + offeringName + ": specify the cpu number value between 1 and " + maxCPUCores);
-            }
-            if (cpuSpeed == null || (cpuSpeed.intValue() < 0 || cpuSpeed.longValue() > Integer.MAX_VALUE)) {
-                throw new InvalidParameterValueException("Failed to create service offering " + offeringName + ": specify the cpu speed value between 0 and " + Integer.MAX_VALUE);
-            }
-            if (memory != null && (memory.intValue() < 32 || memory.longValue() > maxRAMSize)) {
-                throw new InvalidParameterValueException("Failed to create service offering " + offeringName + ": specify the memory value between 32 and " + maxRAMSize + " MB");
-            }
+            checkSpeedOnConstrainedOffering(cpuSpeed, offeringName, maxCPU, minCPU, maxMemory, minMemory, cpuNumber, memory);
         }
 
         // check if valid domain
@@ -3382,6 +3338,79 @@ public ServiceOffering createServiceOffering(final CreateServiceOfferingCmd cmd)
                 cmd.getDiskOfferingStrictness(), cmd.isCustomized(), cmd.getEncryptRoot(), cmd.isPurgeResources());
     }
 
+    /**
+     * If Customized, the following conditions must hold
+     * 1. cpuNumber, cpuSpeed and memory should be all null
+     * 2. minCPU, maxCPU, minMemory and maxMemory should all be null or all specified
+     * @param cpuNumber
+     * @param memory
+     * @param maxCPU
+     * @param minCPU
+     * @param maxMemory
+     * @param minMemory
+     * @param cpuSpeed
+     * @param offeringName
+     */
+    private static void checkSpeedOnCustomOffering(Integer cpuNumber, Integer memory, Integer maxCPU, Integer minCPU, Integer maxMemory, Integer minMemory, Integer cpuSpeed, String offeringName, Map<String, String> details) {
+        // validate specs
+        //restricting the createserviceoffering to allow setting all or none of the dynamic parameters to null
+        if (cpuNumber != null || memory != null) {
+            throw new InvalidParameterValueException("For creating a custom compute offering cpu and memory all should be null");
+        }
+        // if any of them is null, then all of them should be null
+        if (maxCPU == null || minCPU == null || maxMemory == null || minMemory == null || cpuSpeed == null) {
+            if (maxCPU != null || minCPU != null || maxMemory != null || minMemory != null || cpuSpeed != null) {
+                throw new InvalidParameterValueException("For creating a custom compute offering min/max cpu and min/max memory/cpu speed should all be null or all specified");
+            }
+        } else {
+            if (cpuSpeed.intValue() < 0 || cpuSpeed.longValue() > Integer.MAX_VALUE) {
+                throw new InvalidParameterValueException("Failed to create service offering " + offeringName + ": specify the cpu speed value between 1 and " + Integer.MAX_VALUE);
+            }
+            if ((maxCPU <= 0 || maxCPU.longValue() > Integer.MAX_VALUE) || (minCPU <= 0 || minCPU.longValue() > Integer.MAX_VALUE )  ) {
+                throw new InvalidParameterValueException("Failed to create service offering " + offeringName + ": specify the minimum or minimum cpu number value between 1 and " + Integer.MAX_VALUE);
+            }
+            if (minMemory < 32 || (minMemory.longValue() > Integer.MAX_VALUE) || (maxMemory.longValue() > Integer.MAX_VALUE)) {
+                throw new InvalidParameterValueException("Failed to create service offering " + offeringName + ": specify the memory value between 32 and " + Integer.MAX_VALUE + " MB");
+            }
+            // Persist min/max CPU and Memory parameters in the service_offering_details table
+            details.put(ApiConstants.MIN_MEMORY, minMemory.toString());
+            details.put(ApiConstants.MAX_MEMORY, maxMemory.toString());
+            details.put(ApiConstants.MIN_CPU_NUMBER, minCPU.toString());
+            details.put(ApiConstants.MAX_CPU_NUMBER, maxCPU.toString());
+        }
+    }
+
+    private static void checkNameAndText(String name, String displayText) {
+        if (name == null || name.length() == 0) {
+            throw new InvalidParameterValueException("Failed to create service offering: specify the name that has non-zero length");
+        }
+
+        if (displayText == null || displayText.length() == 0) {
+            throw new InvalidParameterValueException("Failed to create service offering " + name + ": specify the display text that has non-zero length");
+        }
+    }
+
+    private static void checkSpeedOnConstrainedOffering(Integer cpuSpeed, String offeringName, Integer maxCPU, Integer minCPU, Integer maxMemory, Integer minMemory, Integer cpuNumber, Integer memory) {
+        // Check for the combination of zero speed and custom or constrained offering
+        if (cpuSpeed != null && cpuSpeed.intValue() == 0) {
+            if (maxCPU != null || minCPU != null || maxMemory != null || minMemory != null) {
+                throw new InvalidParameterValueException("Failed to create service offering " + offeringName + ": cpu speed cannot be zero for constrained offerings");
+            }
+        }
+        Integer maxCPUCores = VM_SERVICE_OFFERING_MAX_CPU_CORES.value() == 0 ? Integer.MAX_VALUE: VM_SERVICE_OFFERING_MAX_CPU_CORES.value();
+        Integer maxRAMSize = VM_SERVICE_OFFERING_MAX_RAM_SIZE.value() == 0 ? Integer.MAX_VALUE: VM_SERVICE_OFFERING_MAX_RAM_SIZE.value();
+        if (cpuNumber != null && (cpuNumber.intValue() <= 0 || cpuNumber.longValue() > maxCPUCores)) {
+            throw new InvalidParameterValueException("Failed to create service offering " + offeringName + ": specify the cpu number value between 1 and " + maxCPUCores);
+        }
+        if (cpuSpeed == null || (cpuSpeed.intValue() < 0 || cpuSpeed.longValue() > Integer.MAX_VALUE)) {
+            throw new InvalidParameterValueException("Failed to create service offering " + offeringName + ": specify the cpu speed value between 0 and " + Integer.MAX_VALUE);
+        }
+        if (memory != null && (memory.intValue() < 32 || memory.longValue() > maxRAMSize)) {
+            throw new InvalidParameterValueException("Failed to create service offering " + offeringName + ": specify the memory value between 32 and " + maxRAMSize + " MB");
+        }
+
+    }
+
     protected ServiceOfferingVO createServiceOffering(final long userId, final boolean isSystem, final VirtualMachine.Type vmType,
             final String name, final Integer cpu, final Integer ramSize, final Integer speed, final String displayText, final String provisioningType, final boolean localStorageRequired,
             final boolean offerHA, final boolean limitResourceUse, final boolean volatileVm, String tags, final List<Long> domainIds, List<Long> zoneIds, final String hostTag,