ARM deployment template that supports 1 to N VMs. Windows

Arm2VmDnsIp.json

{
  "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "vmName": {
      "type": "string",
      "metadata": {
        "description": "Name of the VM without any array suffix"
      }
    },
    "adminUsername": {
      "type": "string",
      "metadata": {
        "description": "Admin username for VM"
      }
    },
    "adminPassword": {
      "type": "securestring",
      "metadata": {
        "description": "Admin password for VM"
      }
    },
    "vmCount": {
      "type": "int",
      "defaultValue": 2,
      "minValue": 2,
      "maxValue": 5,
      "metadata": {
        "description": "Number of VMs to deploy, limit 5 since this sample is using a single storage account"
      }
    },
    "OS": {
      "type": "string",
      "defaultValue": "Windows",
      "allowedValues": [
        "Windows"
      ],
      "metadata": {
        "description": "OS Platform for the VM"
      }
    }
  },
  "variables": {
    "virtualNetworkName": "myVNET",
    "addressPrefix": "10.0.0.0/16",
    "subnet1Name": "Subnet-1",
    "subnet1Prefix": "10.0.0.0/24",
    "subnet1Ref": "[resourceId('Microsoft.Network/virtualNetworks/subnets',variables('virtualNetworkName'),variables('subnet1Name'))]",
    "availabilitySetName": "myAvSet",
    "Windows": {
      "publisher": "MicrosoftWindowsServer",
      "offer": "WindowsServer",
      "sku": "2016-Datacenter",
      "version": "latest"
    },
    "imageReference": "[variables(parameters('OS'))]",
    "pipName": "[concat(parameters('vmName'), 'pip')]"
  },
  "resources": [
    {
      "type": "Microsoft.Network/virtualNetworks",
      "name": "[variables('virtualNetworkName')]",
      "apiVersion": "2016-03-30",
      "location": "[resourceGroup().location]",
      "properties": {
        "addressSpace": {
          "addressPrefixes": [
            "[variables('addressPrefix')]"
          ]
        },
        "subnets": [
          {
            "name": "[variables('subnet1Name')]",
            "properties": {
              "addressPrefix": "[variables('subnet1Prefix')]"
            }
          }
        ]
      }
    },
    {
      "type": "Microsoft.Network/networkInterfaces",
      "name": "[concat('nic', copyindex(1))]",
      "apiVersion": "2016-03-30",
      "location": "[resourceGroup().location]",
      "copy": {
        "name": "nicLoop",
        "count": "[parameters('vmCount')]"
      },
      "dependsOn": [
        "[variables('virtualNetworkName')]",
       "pipLoop"
      ],
      "properties": {
        "ipConfigurations": [
          {
            "name": "ipconfig1",
            "properties": {
              "privateIPAllocationMethod": "Dynamic",
              "publicIPAddress": {
                "id": "[concat(resourceId('Microsoft.Network/publicIPAddresses',variables('pipName')),copyIndex(1))]"
              },
              "subnet": {
                "id": "[variables('subnet1Ref')]"
              }
            }
          }
        ]
      }
    },
    {
      "apiVersion": "2015-06-15",
      "type": "Microsoft.Network/publicIPAddresses",
      "name": "[concat(variables('pipName'), copyIndex(1))]",
      "location": "[resourceGroup().location]",
      "copy": {
        "name": "pipLoop",
        "count": "[parameters('vmCount')]"
      },
      "properties": {
        "publicIPAllocationMethod": "Static",
        "dnsSettings": {
          "domainNameLabel": "[concat(parameters('vmName'), copyIndex(1))]",
          "fqdn": "[concat(parameters('vmName'), copyIndex(1) ,'.uksouth.cloudapp.azure.com')]"
        }
      },
      "tags": {
        "displayName": "PublicIPAddress - Web"
      }
    },
    {
      "type": "Microsoft.Compute/virtualMachines",
      "name": "[concat(parameters('vmName'), copyIndex(1))]",
      "apiVersion": "2016-04-30-preview",
      "location": "[resourceGroup().location]",
      "copy": {
        "name": "virtualMachineLoop",
        "count": "[parameters('vmCount')]"
      },
      "dependsOn": [
        "nicLoop",
        "pipLoop"
      ],
      "properties": {
        "hardwareProfile": {
          "vmSize": "Standard_D1_v2"
        },
        "osProfile": {
          "computerName": "[concat('vm', copyIndex(1))]",
          "adminUsername": "[parameters('adminUsername')]",
          "adminPassword": "[parameters('adminPassword')]"
        },
        "storageProfile": {
          "imageReference": "[variables('imageReference')]",
          "osDisk": {
            "createOption": "FromImage"
          }
        },
        "networkProfile": {
          "networkInterfaces": [
            {
              "id": "[resourceId('Microsoft.Network/networkInterfaces',concat('nic', copyindex(1)))]"
            }
          ]
        }
      }
    }
  ]
}