---
title: "changeServerInstanceSpec"
slug: "compute-server-changeserverinstancespec"
updated: 2026-09-17T09:57:42Z
published: 2026-09-17T09:57:42Z
canonical: "api.ncloud-docs.com/compute-server-changeserverinstancespec"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://api.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# changeServerInstanceSpec

## 概要

サーバインスタンス(VM)のスペックを変更します。

## リクエスト

### リクエストパラメータ

| パラメータ名 | 必須の有無 | タイプ | 制限事項 | 説明 |
| --- | --- | --- | --- | --- |
| serverInstanceNo | Yes | String |  | - スペックを変更するサーバインスタンス番号 運用中のサーバは変更不可 serverInstanceNoは getServerInstanceListアクションを通じて取得可能 |
| serverProductCode | Yes | String | 最小: 1, 最大: 20 | - サーバスペックの商品コード serverProductCodeは getServerProductListアクションを通じて取得可能 |
| responseFormatType | No | String |  | - レスポンス結果の形式タイプ オプション: xml \| json デフォルト: xml |

## レスポンス

### レスポンスボディ

- [ServerInstanceList](/docs/ja/common-apidatatype-serverinstancelist)

## 例

### リクエスト例

```
GET {SERVER_API_URL}/changeServerInstanceSpec
?serverInstanceNo=1088217
&serverProductCode=SPSVRSTAND000005
```

### レスポンス例

```
<changeServerInstanceSpecResponse>
  <requestId>b059fc08-fb8d-40a0-b28b-b0093549f96f</requestId>
  <returnCode>0</returnCode>
  <returnMessage>success</returnMessage>
  <totalRows>1</totalRows>
  <serverInstanceList>
    <serverInstance>
      <serverInstanceNo>1088217</serverInstanceNo>
      <serverName>s167545541a3</serverName>
      <serverDescription></serverDescription>
      <cpuCount>2</cpuCount>
      <memorySize>4294967296</memorySize>
      <baseBlockStorageSize>53687091200</baseBlockStorageSize>
      <platformType>
        <code>LNX32</code>
        <codeName>Linux 32 Bit</codeName>
      </platformType>
      <loginKeyName>penguin</loginKeyName>
      <isFeeChargingMonitoring>false</isFeeChargingMonitoring>
      <publicIp></publicIp>
      <privateIp>10.41.83.168</privateIp>
      <serverImageName>centos-6.3-32</serverImageName>
      <serverInstanceStatus>
        <code>NSTOP</code>
        <codeName>Server normal stopped state</codeName>
      </serverInstanceStatus>
      <serverInstanceOperation>
        <code>CHNG</code>
        <codeName>Server SPEC CHANGE OP</codeName>
      </serverInstanceOperation>
      <serverInstanceStatusName>changingSpec</serverInstanceStatusName>
      <createDate>2018-11-27T17:42:13+0900</createDate>
      <uptime>2018-11-27T17:46:02+0900</uptime>
      <serverImageProductCode>SPSW0LINUX000032</serverImageProductCode>
      <serverProductCode>SPSVRSTAND000004</serverProductCode>
      <isProtectServerTermination>false</isProtectServerTermination>
      <portForwardingPublicIp>106.10.51.90</portForwardingPublicIp>
      <zone>
        <zoneNo>3</zoneNo>
        <zoneName>KR-2</zoneName>
        <zoneCode>KR-2</zoneCode>
        <zoneDescription>坪村ゾーン</zoneDescription>
        <regionNo>1</regionNo>
      </zone>
      <region>
        <regionNo>1</regionNo>
        <regionCode>KR</regionCode>
        <regionName>Korea</regionName>
      </region>
      <baseBlockStorageDiskType>
        <code>NET</code>
        <codeName>Network Storage</codeName>
      </baseBlockStorageDiskType>
      <baseBlockStorageDiskDetailType>
        <code>HDD</code>
        <codeName>HDD</codeName>
      </baseBlockStorageDiskDetailType>
      <serverInstanceType>
        <code>STAND</code>
        <codeName>Standard</codeName>
      </serverInstanceType>
      <userData></userData>
      <initScriptNo></initScriptNo>
      <accessControlGroupList>
        <accessControlGroup>
          <accessControlGroupConfigurationNo>39995</accessControlGroupConfigurationNo>
          <accessControlGroupName>ncloud-default-acg</accessControlGroupName>
          <accessControlGroupDescription>Default AccessControlGroup</accessControlGroupDescription>
          <isDefault>true</isDefault>
          <createDate>2018-04-09T11:12:54+0900</createDate>
        </accessControlGroup>
      </accessControlGroupList>
      <instanceTagList/>
    </serverInstance>
  </serverInstanceList>
</changeServerInstanceSpecResponse>
```

## エラーコード

以下のエラーコードは、このアクション(Action)で発生する特徴的なエラーです。共通して発生するエラーについての詳細説明は、[NAVERクラウドプラットフォーム API](/docs/ja/common-ncpapi-index)をご参照ください。

| HTTP Response Code | リターンコード | リターンメッセージ |
| --- | --- | --- |
| 400 | 10500 | Unable to use server specification change function. You may freely change server specification on paid servers. |
| 400 | 10501 | After deleting additional storage, please try again. Additional storage must be deleted by customer. |
| 400 | 10502 | Selected server does not allow spec change. |
| 400 | 10503 | You may not change to spec of same level. |
| 400 | 10504 | You may not change the spec to a different disk type. |
| 400 | 24109 | The input parameter instance number is invalid. |
| 400 | 24120 | The input parameter server instance number is invalid. |
| 400 | 25013 | Unable to change server specification since (other) user is either operating the target server or due to an error in target server. Please check the server status. |
| 400 | 25014 | Unable to control the server since (other) user is currently operating storage allocated to the server. |
| 400 | 25018 | Operation is currently unavailable since (other) user is either operating server or creating server image of the server. |