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Reset ECS password

When you create an instance, the instance user name, instance password and VNC password will be created at the same time. The instance password is the only authentication information for logging in to ECS. If you forget or lose your password during use, you can reset your password according to the instructions in this article.

Password Type

  • ECS password: It is the security key of the instance and is created together with the instance.
  • VNC password: This password is a web version remote connection password, which is different from the ECS password, but the initial VNC password is the same as the ECS password.

Reset ECS password

If you forget the instance password, you can reset the instance password through the Console.

1. Login, background management → ECS management.

2. Select the ECS you want to restart and click [Manage] to open the server details page.

3. Click [More Operations] - [Reset Password].

4. Enter the reset password.


  1. To verify the operation protection, click Validate and Submit.
  2. Wait for the password reset to complete.
    Precautions for resetting ECS password
  • Reset Password resets the system default user administrator password.
  • Resetting the password will restart the ECS. Please properly handle the business in your ECS before resetting the password.
  • Linux cannot reset password by reroot.

Reset VNC Password

If you forget the VNC password, you can reset the VNC password through the Console.

The specific operations are as follows:

1. Log in, console → ECS management.

2. Select the corresponding ECS and click [Login].

3. Click [Modify Connection Password].

4. Enter the reset password.

5. Select the verification method, fill in the corresponding verification code, and click [Verify and Submit].

6. Wait for the password reset to complete.

Precautions for resetting VNC password

  • Resetting the password requires 8-30 characters, which must contain both letters and numbers.
  • Resetting the password will restart the ECS. Please properly handle the business in your ECS before resetting the password.

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