---
title: "Virtual machine scale-up"
description: "## Overview This guide explains how to upgrade resources (such as RAM and disk capacity) for your contracted VPS. This procedure describes the workflow for executing **Upgrade** from the **More** menu on the service details screen. ## Prerequisites - You…"
url: "https://bestnetllc.co.jp/en/docs/virtual-machine-scale-up/"
updated: "2026-10-19"
category: "BESTNET-CLOUD"
---

# Virtual machine scale-up

## Overview

This guide explains how to upgrade resources (such as RAM and disk capacity) for your contracted VPS. This procedure describes the workflow for executing **Upgrade** from the **More** menu on the service details screen.

## Prerequisites

- You must be able to log in to the [client portal](https://bestnetllc.co.jp/en/encyclopedia/client-portal-en/)
- The target VPS (service) must be “Active”
- A payment method (bank transfer / credit card, etc.) must be available

## Operation Steps

### 1. Open the VPS details screen and display the More menu

1. From **Services** in the left menu, open the details screen for the target VPS.
2. Click **More** in the upper right corner of the screen.

![VPS details screen showing the More menu open](https://bestnetllc.co.jp/wp-content/uploads/2025/12/step01-click-more.png)

### 2. Select “Upgrade”

1. Click **Upgrade** from the More menu.

![Screen showing selection of Upgrade from the More menu](https://bestnetllc.co.jp/wp-content/uploads/2025/12/step02-select-upgrade.png)

### 3. Select the resources to upgrade

The “Resource Upgrade” screen will open. Adjust the slider for the item you wish to upgrade.

- **RAM [GB]**: For example, increase from 16 to 24
- **Disk Size**: Increase as needed
- Other options such as backup retention generations, snapshots, additional IPs, etc. can be selected according to your environment

![Resource Upgrade screen showing adjustment of RAM and disk](https://bestnetllc.co.jp/wp-content/uploads/2025/12/step03-adjust-resources.png)

### 4. Click “Continue”

1. Click **Continue** at the bottom of the page (or on the right side of the relevant section).

![Screen showing Continue button after selecting upgrade details](https://bestnetllc.co.jp/wp-content/uploads/2025/12/step04-click-continue.png)

### 5. Select payment method

The upgrade details and billing amount will be displayed. Select the payment method you wish to use.

![Screen showing selection of payment method for upgrade order](https://bestnetllc.co.jp/wp-content/uploads/2025/12/step05-select-payment-method.png)

### 6. Click “Submit” to finalize the upgrade order

1. If everything looks correct, click **Submit**.
2. The upgrade order will be created and an invoice will be issued.

![Screen showing submission and finalization of upgrade order](https://bestnetllc.co.jp/wp-content/uploads/2025/12/step06-submit-upgrade-order.png)

### 7. Pay the invoice and verify the changes

1. On the issued invoice screen, click **Pay Now!**
2. After payment is complete, return to the target VPS details screen and verify that the resources (RAM / disk, etc.) have been updated.

![Screen showing payment of issued invoice](https://bestnetllc.co.jp/wp-content/uploads/2025/12/step07-pay-invoice.png)

## Important Notes

- Depending on the upgrade content, a restart of the VPS may be required for the changes to take effect.
- When increasing disk capacity, additional partition / filesystem expansion work may be required on the OS side.
- The billing amount may be calculated as a prorated difference based on the remaining contract period. Please confirm the amount displayed on the screen.

## Frequently Asked Questions

### What should I do if I want to cancel without paying the invoice?

Unpaid invoices can be canceled from **Cancel Invoice** on the invoice screen in some cases. If the button is not displayed or cancellation is not possible, please contact us via a [support ticket](https://bestnetllc.co.jp/en/encyclopedia/support-ticket-en/).

### What is the difference between “Resource Upgrade” and “Package Upgrade”?

**Resource Upgrade** adjusts individual resources such as RAM and disk.
 **Package Upgrade** switches to a pre-configured plan (package).
 Please select according to your needs.