---
title: "changeTargetGroupHealthCheckConfiguration"
slug: "cli-vloadbalancer-targetgroup-changetargetgrouphealthcheckconfiguration"
tags: ["Load Balancer", "VPC"]
updated: 2026-10-08T05:08:25Z
published: 2026-10-08T05:08:25Z
canonical: "cli.ncloud-docs.com/cli-vloadbalancer-targetgroup-changetargetgrouphealthcheckconfiguration"
---

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

# changeTargetGroupHealthCheckConfiguration

Available in VPC

Change target group's health check settings.

## Syntax

The `changeTargetGroupHealthCheckConfiguration` syntax is as follows:

```
./ncloud vloadbalancer changeTargetGroupHealthCheckConfiguration \
    --targetGroupNo <target-group-no> \
    [--healthCheckPort <health-check-port>] \
    [--healthCheckUrlPath <health-check-url-path>] \
    [--healthCheckHttpMethodTypeCode <HEAD|GET>] \
    [--healthCheckCycle <health-check-cycle>] \
    [--healthCheckUpThreshold <health-check-up-threshold>] \
    [--healthCheckDownThreshold <health-check-down-threshold>] \
    [--regionCode <KR|SGN|JPN>] \
    [--output <json|xml>]
```

## Options

This section describes the options available when running `changeTargetGroupHealthCheckConfiguration`.

### Required options

The following options are required for `changeTargetGroupHealthCheckConfiguration`.

| Options | Type | Required | Description |
| --- | --- | --- | --- |
| `--targetGroupNo` | String | Required | Target group number - See [getTargetGroupList](/docs/en/cli-vloadbalancer-targetgroup-gettargetgrouplist). |
| `--healthCheckPort` | Integer | Conditional | Port used by the load balancer when performing health checks to verify the status of targets - `1`-`65534` - When changing target group health check settings, one of the following is required: `healthCheckPort`, `healthCheckUrlPath`, `healthCheckHttpMethodTypeCode`, `healthCheckCycle`, `healthCheckUpThreshold`, or `healthCheckDownThreshold`. |
| `--healthCheckUrlPath` | String | Conditional | URL path to use when performing a health check - URL path starting with `/`. - Can be changed if the target group's health check protocol type is `HTTP` or `HTTPS`. - When changing the target group's health check settings, at least one among `healthCheckPort`, `healthCheckUrlPath`, `healthCheckHttpMethodTypeCode`, `healthCheckCycle`, `healthCheckUpThreshold`, or `healthCheckDownThreshold` must be entered. |
| `--healthCheckHttpMethodTypeCode` | String | Conditional | HTTP method type used for health checks - `HEAD` \| `GET` - Can be changed if the target group's health check protocol type is `HTTP` or `HTTPS`. - When changing target group health check settings, at least one among `healthCheckPort`, `healthCheckUrlPath`, `healthCheckHttpMethodTypeCode`, `healthCheckCycle`, `healthCheckUpThreshold`, or `healthCheckDownThreshold` must be entered. |
| `--healthCheckCycle` | Integer | Conditional | Health check interval (second) - `5`-`300` - When changing the target group health check settings, at least one among `healthCheckPort`, `healthCheckUrlPath`, `healthCheckHttpMethodTypeCode`, `healthCheckCycle`, `healthCheckUpThreshold`, or `healthCheckDownThreshold` must be entered. |
| `--healthCheckUpThreshold` | Integer | Conditional | Number of consecutive successful health checks required to determine that the target is in a normal state - `2`-`10` - When changing the target group health check settings, at least one among `healthCheckPort`, `healthCheckUrlPath`, `healthCheckHttpMethodTypeCode`, `healthCheckCycle`, `healthCheckUpThreshold`, or `healthCheckDownThreshold` must be entered. |
| `--healthCheckDownThreshold` | Integer | Conditional | Number of consecutive health check failures required to determine that the target status is abnormal - `2`-`10` - When changing the target group health check settings, at least one among `healthCheckPort`, `healthCheckUrlPath`, `healthCheckHttpMethodTypeCode`, `healthCheckCycle`, `healthCheckUpThreshold`, or `healthCheckDownThreshold` must be entered. |

### Common options

For information about the options common to all `vloadbalancer` subcommands, see [Load Balancer (VPC) options](/docs/en/cli-vloadbalancer#%EC%98%B5%EC%85%98).

## Examples

If the request to change the target group health check settings is successful, the configuration information for the modified target group is returned.

### Command

The command example is as follows:

```
./ncloud vloadbalancer changeTargetGroupHealthCheckConfiguration \
    --targetGroupNo 55667788 \
    --healthCheckPort 8080 \
    --healthCheckUrlPath /health \
    --healthCheckHttpMethodTypeCode GET \
    --healthCheckCycle 60 \
    --healthCheckUpThreshold 3 \
    --healthCheckDownThreshold 3 \
    --regionCode KR \
    --output json
```

### Output

The output example is as follows:

```
{
  "changeTargetGroupHealthCheckConfigurationResponse": {
    "totalRows": 1,
    "targetGroupList": [
      {
        "targetGroupNo": "55667788",
        "targetGroupName": "lb-test-tg",
        "targetType": {
          "code": "VSVR",
          "codeName": "Server (VPC)"
        },
        "vpcNo": "12345678",
        "targetGroupProtocolType": {
          "code": "HTTP",
          "codeName": "HTTP protocol"
        },
        "targetGroupPort": 80,
        "targetGroupDescription": "Updated target group description",
        "useStickySession": true,
        "useProxyProtocol": false,
        "algorithmType": {
          "code": "RR",
          "codeName": "Round Robin"
        },
        "createDate": "2026-07-07T17:08:44+0900",
        "regionCode": "KR",
        "loadBalancerInstanceNo": "41112223",
        "healthCheckProtocolType": {
          "code": "HTTP",
          "codeName": "HTTP protocol"
        },
        "healthCheckPort": 8080,
        "healthCheckUrlPath": "/health",
        "healthCheckHttpMethodType": {
          "code": "GET",
          "codeName": "HTTP GET Method"
        },
        "healthCheckCycle": 60,
        "healthCheckUpThreshold": 3,
        "healthCheckDownThreshold": 3,
        "targetNoList": [
          "34567890"
        ]
      }
    ],
    "requestId": "e5f6a7b8-c9d0-1234-efab-567890123456",
    "returnCode": "0",
    "returnMessage": "success"
  }
}
```