func resourceArmNetworkInterfaceCreate(d *schema.ResourceData, meta interface{}) error {
	client := meta.(*ArmClient)
	ifaceClient := client.ifaceClient

	log.Printf("[INFO] preparing arguments for Azure ARM Network Interface creation.")

	name := d.Get("name").(string)
	location := d.Get("location").(string)
	resGroup := d.Get("resource_group_name").(string)

	properties := network.InterfacePropertiesFormat{}

	if v, ok := d.GetOk("network_security_group_id"); ok {
		nsgId := v.(string)
		properties.NetworkSecurityGroup = &network.SecurityGroup{
			ID: &nsgId,
		}
	}

	dns, hasDns := d.GetOk("dns_servers")
	nameLabel, hasNameLabel := d.GetOk("internal_dns_name_label")
	if hasDns || hasNameLabel {
		ifaceDnsSettings := network.InterfaceDNSSettings{}

		if hasDns {
			var dnsServers []string
			dns := dns.(*schema.Set).List()
			for _, v := range dns {
				str := v.(string)
				dnsServers = append(dnsServers, str)
			}
			ifaceDnsSettings.DNSServers = &dnsServers
		}

		if hasNameLabel {
			name_label := nameLabel.(string)
			ifaceDnsSettings.InternalDNSNameLabel = &name_label

		}

		properties.DNSSettings = &ifaceDnsSettings
	}

	ipConfigs, sgErr := expandAzureRmNetworkInterfaceIpConfigurations(d)
	if sgErr != nil {
		return fmt.Errorf("Error Building list of Network Interface IP Configurations: %s", sgErr)
	}
	if len(ipConfigs) > 0 {
		properties.IPConfigurations = &ipConfigs
	}

	iface := network.Interface{
		Name:       &name,
		Location:   &location,
		Properties: &properties,
	}

	resp, err := ifaceClient.CreateOrUpdate(resGroup, name, iface)
	if err != nil {
		return err
	}

	d.SetId(*resp.ID)

	log.Printf("[DEBUG] Waiting for Network Interface (%s) to become available", name)
	stateConf := &resource.StateChangeConf{
		Pending: []string{"Accepted", "Updating"},
		Target:  "Succeeded",
		Refresh: networkInterfaceStateRefreshFunc(client, resGroup, name),
		Timeout: 10 * time.Minute,
	}
	if _, err := stateConf.WaitForState(); err != nil {
		return fmt.Errorf("Error waiting for Network Interface (%s) to become available: %s", name, err)
	}

	return resourceArmNetworkInterfaceRead(d, meta)
}
func resourceArmNetworkInterfaceCreate(d *schema.ResourceData, meta interface{}) error {
	client := meta.(*ArmClient)
	ifaceClient := client.ifaceClient

	log.Printf("[INFO] preparing arguments for Azure ARM Network Interface creation.")

	name := d.Get("name").(string)
	location := d.Get("location").(string)
	resGroup := d.Get("resource_group_name").(string)
	enableIpForwarding := d.Get("enable_ip_forwarding").(bool)
	tags := d.Get("tags").(map[string]interface{})

	properties := network.InterfacePropertiesFormat{
		EnableIPForwarding: &enableIpForwarding,
	}

	if v, ok := d.GetOk("network_security_group_id"); ok {
		nsgId := v.(string)
		properties.NetworkSecurityGroup = &network.SecurityGroup{
			ID: &nsgId,
		}
	}

	dns, hasDns := d.GetOk("dns_servers")
	nameLabel, hasNameLabel := d.GetOk("internal_dns_name_label")
	if hasDns || hasNameLabel {
		ifaceDnsSettings := network.InterfaceDNSSettings{}

		if hasDns {
			var dnsServers []string
			dns := dns.(*schema.Set).List()
			for _, v := range dns {
				str := v.(string)
				dnsServers = append(dnsServers, str)
			}
			ifaceDnsSettings.DNSServers = &dnsServers
		}

		if hasNameLabel {
			name_label := nameLabel.(string)
			ifaceDnsSettings.InternalDNSNameLabel = &name_label

		}

		properties.DNSSettings = &ifaceDnsSettings
	}

	ipConfigs, sgErr := expandAzureRmNetworkInterfaceIpConfigurations(d)
	if sgErr != nil {
		return fmt.Errorf("Error Building list of Network Interface IP Configurations: %s", sgErr)
	}
	if len(ipConfigs) > 0 {
		properties.IPConfigurations = &ipConfigs
	}

	iface := network.Interface{
		Name:       &name,
		Location:   &location,
		Properties: &properties,
		Tags:       expandTags(tags),
	}

	_, err := ifaceClient.CreateOrUpdate(resGroup, name, iface, make(chan struct{}))
	if err != nil {
		return err
	}

	read, err := ifaceClient.Get(resGroup, name, "")
	if err != nil {
		return err
	}
	if read.ID == nil {
		return fmt.Errorf("Cannot read NIC %s (resource group %s) ID", name, resGroup)
	}

	d.SetId(*read.ID)

	return resourceArmNetworkInterfaceRead(d, meta)
}