diff --git a/ui/scripts/instances.js b/ui/scripts/instances.js
index e127fa37f4b..3173055a089 100644
--- a/ui/scripts/instances.js
+++ b/ui/scripts/instances.js
@@ -496,8 +496,10 @@
                 }
 
                 var displayname = args.data.displayname;
-                if(displayname != null && displayname.length > 0)
+                if(displayname != null && displayname.length > 0) {
                   array1.push("&displayname="+todb(displayname));
+									array1.push("&name="+todb(displayname));
+								}
 
                 var group = args.data.groupname;
                 if (group != null && group.length > 0)
diff --git a/ui/scripts/sharedFunctions.js b/ui/scripts/sharedFunctions.js
index 5a5eb4d11e7..38d9f65cfed 100644
--- a/ui/scripts/sharedFunctions.js
+++ b/ui/scripts/sharedFunctions.js
@@ -9,7 +9,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 // 
-// Automatically generated by addcopyright.py at 04/03/2012
+// Automatically generated by addcopyright.py at 04/02/2012
 var g_mySession = null;
 var g_sessionKey = null;
 var g_role = null; // roles - root, domain-admin, ro-admin, user
@@ -197,6 +197,20 @@ function isValidJsonString(str) {
   return true;
 }
 
+cloudStack.validate = {
+  vmHostName: function(args) {	  	
+		// 1 ~ 63 characters long 
+		// ASCII letters 'a' through 'z' (case-insensitive), digits '0' through '9', hyphen ('-') 
+		// must start with a letter 
+		// must end with a letter or a digit (must not end with a hyphen)
+		var regexp = /^[a-z]{1}[a-z0-9\-]{0,61}[a-z0-9]{0,1}$/;
+    var b = regexp.test(args); //true or false		
+		if(b == false)
+	    cloudStack.dialog.notice({ message: 'Instance name can not be longer than 63 characters. Only ASCII letters a~z, digits 0~9, hyphen are allowed. Must start with a letter and end with a letter or a digit.' });			
+	  return b;
+	}
+}
+
 cloudStack.preFilter = {
   createTemplate: function(args) {
     if(isAdmin()) {
diff --git a/ui/scripts/ui-custom/instanceWizard.js b/ui/scripts/ui-custom/instanceWizard.js
index 8da07c0f915..5d3cb0f3b1e 100644
--- a/ui/scripts/ui-custom/instanceWizard.js
+++ b/ui/scripts/ui-custom/instanceWizard.js
@@ -640,7 +640,17 @@
                 return false;
               }
             }
-
+						
+						//step 6 - review (spcifiy displyname, group as well)		
+						if ($activeStep.hasClass('review')) {						  
+						  if($activeStep.find('input[name=displayname]').size() > 0 && $activeStep.find('input[name=displayname]').val().length > 0) {
+							  //validate 
+								var b = cloudStack.validate.vmHostName($activeStep.find('input[name=displayname]').val());								
+								if(b == false)
+								  return false;
+							}
+            }						
+						
             if (!$form.valid()) {
               if ($form.find('input.error:visible, select.error:visible').size()) {
                 return false;