diff --git a/101-availabilityset-multiplevm-create/azuredeploy.json b/101-availabilityset-multiplevm-create/azuredeploy.json
index d44b57c8..cdb769b2 100644
--- a/101-availabilityset-multiplevm-create/azuredeploy.json
+++ b/101-availabilityset-multiplevm-create/azuredeploy.json
@@ -23,7 +23,22 @@
                 2,
                 3,
                 4,
-                5
+                5,
+                6,
+                7,
+                8,
+                9,
+                10,              
+                11,
+                12,
+                13,
+                14,
+                15,
+                16,              
+                17,
+                18,
+                19,              
+                20
             ],
             "metadata": {
                 "description": "Number of VMs to deploy, limit 5 since this sample is using a single storage account"
@@ -54,18 +69,29 @@
             "type": "string",
             "defaultValue": "2016-Datacenter",
             "allowedValues": [
-                "2012-R2-Datacenter",
+                "2016-Datacenter-Server-Core",
                 "2016-Datacenter"
             ],
             "metadata": {
-                "description": "The Windows version for the VM. This will pick a fully patched image of this given Windows version. Allowed values: 2008-R2-SP1, 2012-Datacenter, 2012-R2-Datacenter."
+                "description": "The Windows version for the VM. This will pick a fully patched image of this given Windows version. Allowed values: 2016-Datacenter, 2016-Datacenter-Server-Corer."
             }
+        },
+        "vmSize": {
+            "type": "string",
+            "allowedValues": [
+                "Standard_A1",
+                "Standard_A3",
+                "Standard_A7"
+            ],
+            "metadata": {
+                "description": "The size of the AD VMs Created"
+            },
+            "defaultValue": "Standard_A1"
         }
     },
     "variables": {
         "availabilitySetName": "[toLower(concat('aSet-', resourceGroup().name))]",
         "storageAccountType": "Standard_LRS",
-        "VMSize": "Standard_A1",
         "dnsPrefix": "[tolower(concat('vmdns', resourceGroup().name))]",
         "windowsImageVersion": "latest",
         "dataDiskSize": 2,
@@ -286,7 +312,7 @@
                 "id": "[resourceId('Microsoft.Compute/availabilitySets',variables('availabilitySetName'))]"
             },
             "hardwareProfile": {
-                "vmSize": "[variables('vmSize')]"
+                "vmSize": "[parameters('vmSize')]"
             },
             "osProfile": {
                 "computerName": "[concat(parameters('vmNamePrefix'), copyIndex())]",
@@ -348,4 +374,4 @@
     }
   ],
   "outputs": { }
-}
\ No newline at end of file
+}