diff --git a/src/sunstone/public/app/tabs/templates-tab/form-panels/create/wizard-tabs/general/capacity-inputs.js b/src/sunstone/public/app/tabs/templates-tab/form-panels/create/wizard-tabs/general/capacity-inputs.js
index 5aa136bb17..958e8b45f9 100644
--- a/src/sunstone/public/app/tabs/templates-tab/form-panels/create/wizard-tabs/general/capacity-inputs.js
+++ b/src/sunstone/public/app/tabs/templates-tab/form-panels/create/wizard-tabs/general/capacity-inputs.js
@@ -110,6 +110,10 @@ define(function(require) {
       attr.min = 0.01;
     }
 
+    if (['range', 'range-float'].includes(attr.type)) {
+      attr.readonly = true
+    }
+
     input = UserInputs.attributeInput(attr);
 
     if (attr.type != "range-float"){
@@ -132,6 +136,10 @@ define(function(require) {
       attr.min = 1;
     }
 
+    if (['range', 'range-float'].includes(attr.type)) {
+      attr.readonly = true
+    }
+
     input = UserInputs.attributeInput(attr);
 
     if (attr.type != "range"){
@@ -238,6 +246,14 @@ define(function(require) {
       attr.mandatory = true;
     }
 
+    if (String(element.TEMPLATE.HYPERVISOR).toLowerCase() === "vcenter") {
+      attr.step = 4;
+    }
+
+    if (['range', 'range-float'].includes(attr.type)) {
+      attr.readonly = true
+    }
+
     if(attr.min == undefined){
       attr.min = 1;
     }
diff --git a/src/sunstone/public/app/utils/range-slider/html.hbs b/src/sunstone/public/app/utils/range-slider/html.hbs
index 450ed6225e..261af045d3 100644
--- a/src/sunstone/public/app/utils/range-slider/html.hbs
+++ b/src/sunstone/public/app/utils/range-slider/html.hbs
@@ -41,6 +41,7 @@
       {{#if disabled}}disabled="true"{{/if}}/>
     <input type="number" class="visor"
       data-min="{{min}}" data-max="{{max_value}}"
-      value="{{initial}}" required/>
+      value="{{initial}}" required
+      {{#if readonly}} readonly {{/if}} />
   </div>
 </div>