Updated on 2026-08-25 GMT+08:00

Configuring a Password for a Database Account

Function

This API is used to configure a password for a database account.

Before calling this API, learn how to authenticate it.
Before calling this API, learn about the request header parameters.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

If you are using role/policy-based authorization, see Permissions and Supported Actions for details on the required permissions.
If you are using identity policy-based authorization, the following identity policy-based permissions are required.

Action	Access Level	Resource Type (*: required)	Condition Key	Alias	Dependencies
rds:databaseUser:update	write	instance	- g:EnterpriseProjectId - g:ResourceTag/<tag-key>	-	-

Action

Access Level

Resource Type (*: required)

Condition Key

Alias

Dependencies

rds:databaseUser:update

write

instance

- g:EnterpriseProjectId

- g:ResourceTag/<tag-key>

Constraints

This operation cannot be performed when the DB instance is in any of the following statuses: creating, changing instance class, changing port, frozen, or abnormal.
For any database and account created using methods other than the RDS console and APIs, if the database name and account name do not meet the database naming rules (see Table 2) and account naming rules (see Table 2), for example, containing Chinese characters or unsupported special characters, the database and account cannot be managed through the RDS console or APIs.

URI

URI format
POST /v3/{project_id}/instances/{instance_id}/db_user/resetpwd

Parameter description

**Table 1** Parameters
Parameter	Mandatory	Description
project_id	Yes	Definition Project ID of a tenant in a region. To obtain the value, see Obtaining a Project ID. Constraints N/A Range N/A Default Value N/A
instance_id	Yes	Definition Instance ID. You can obtain the value of this parameter from id in Table 4 by calling the API for querying DB instances. Constraints N/A Range N/A Default Value N/A

Request

**Table 2** Parameters
Parameter	Mandatory	Type	Description
name	Yes	String	Definition Username of the database account. Constraints N/A Range N/A Default Value N/A
password	Yes	String	Definition Password of the database account. Constraints You are advised to enter a strong password to improve security and prevent security risks such as brute force cracking. Range For RDS for SQL Server instances, the password must consist of 8 to 32 characters and contain at least three types of the following characters: uppercase letters, lowercase letters, digits, and special characters *~ ! @ # $ % ^ - _ = + ? , . ( ) & \| The password must differ from the account name or the account name in reverse order. Default Value** N/A

Example Request

Change the password of the rdsuser user.

POST https://rds.ap-southeast-1.myhuaweicloud.com/v3/0483b6b16e954cb88930a360d2c4e663/instances/161e33e453954e21acfff65bfa3dbfebin04/db_user/resetpwd
{
    "name": "rdsuser",
    "password": "Test@12345678"
}

Response

Normal response

Table 3 Parameters

Parameter

Type

Description

resp

String

Definition

Calling result.

Range

Returns successful if the calling is successful.

**Table 3** Parameters
Parameter	Type	Description
resp	String	Definition Calling result. Range Returns successful if the calling is successful.

Example normal response
```
{
    "resp": "successful"
}
```
Abnormal response
For details, see Abnormal Response Results.

Status Code

Normal
200
Abnormal
For details, see Status Codes.

Error Code

For details, see Error Codes.

Parent topic: Database and Account Management (Microsoft SQL Server)