diff --git a/ui/jsp/instance.jsp b/ui/jsp/instance.jsp
index d68fbfb8e6e..ae0311fd7db 100644
--- a/ui/jsp/instance.jsp
+++ b/ui/jsp/instance.jsp
@@ -454,6 +454,18 @@
                     <h3>
                         <!--Service Offering-->
                     </h3>
+                    
+                    <div class="revwiz_message_container" style="display: none;" id="wiz_message">
+                        <div class="revwiz_message_top">
+                            <p id="wiz_message_text">
+                                Please select a service offering to continue</p>
+                        </div>
+                        <div class="revwiz_message_bottom">
+                            <div class="revwizcontinue_button" id="wiz_message_continue">
+                            </div>
+                        </div>
+                    </div>
+                    
                     <div class="vmpopup_offeringpanel" id="service_offering_container">
                         <!--
                         <div class="vmpopup_offeringbox">
@@ -550,6 +562,18 @@
                 <div class="vmpopup_contentpanel">
                     <h3>
                     </h3>
+                    
+                    <div class="revwiz_message_container" style="display: none;" id="wiz_message">
+                        <div class="revwiz_message_top">
+                            <p id="wiz_message_text">
+                                Please select a disk offering to continue</p>
+                        </div>
+                        <div class="revwiz_message_bottom">
+                            <div class="revwizcontinue_button" id="wiz_message_continue">
+                            </div>
+                        </div>
+                    </div>
+                    
                     <div class="vmpopup_offeringpanel" id="data_disk_offering_container" style="display: none">
                     </div>
                     <div class="vmpopup_offeringpanel" id="root_disk_offering_container" style="display: none">
diff --git a/ui/scripts/cloud.core.instance.js b/ui/scripts/cloud.core.instance.js
index 6de94584ce3..b634ebd3446 100644
--- a/ui/scripts/cloud.core.instance.js
+++ b/ui/scripts/cloud.core.instance.js
@@ -462,6 +462,11 @@ function initVMWizard() {
 	    return false;
     });
 	
+	$vmPopup.find("#step3 #wiz_message_continue").bind("click", function(event) {			    
+	    $vmPopup.find("#step3 #wiz_message").hide();
+	    return false;
+    });
+	
     function getIconForOS(osType) {
 	    if (osType == null || osType.length == 0) {
 		    return "";
@@ -730,7 +735,13 @@ function initVMWizard() {
 	            $thisPopup.find("#wizard_review_disk_offering_label").text("Data Disk Offering:");
 	            var checkedRadioButton = $thisPopup.find("#data_disk_offering_container input[name=data_disk_offering_radio]:checked");	
 	        }
-	        else {  //*** ISO ***
+	        else {  //*** ISO ***	            
+	            // prevent a person from moving on if no disk offering is selected
+	            if($thisPopup.find("input:radio[name=root_disk_offering_radio]:checked").length == 0) {
+	                $thisPopup.find("#step3 #wiz_message #wiz_message_text").text("Please select a disk offering to continue");
+	                $thisPopup.find("#step3 #wiz_message").show();
+		            return false;
+		        }   
 	            $thisPopup.find("#wizard_review_disk_offering_label").text("Root Disk Offering:");
 	            var checkedRadioButton = $thisPopup.find("#root_disk_offering_container input[name=root_disk_offering_radio]:checked");	
 		    }