# Application Scenarios for Using Passwords

The password for logging in to your ECS is important and please keep it secure. You can reset the password if it is forgotten or expires.

Table 1 provides guidance on how to reset your password in different scenarios.

Table 1 Resetting a password
Reference | Prerequisites
--- | ---
Changing the Login Password on an ECS | N/A NOTE: The reference is for Windows or Linux ECSs.
Resetting the Password for Logging In to a Windows ECS | The password reset plug-ins have not been installed.
Resetting the Password for Logging In to a Linux ECS | The password reset plug-ins have not been installed.

#### Background

Table 2 shows the ECS password complexity requirements.

Table 2 Password complexity requirements
Parameter | Requirement | Example Value
--- | --- | ---

Password

- Consists of 8 to 26 characters.
- Contains at least three of the following character types:
  - Uppercase letters
  - Lowercase letters
  - Digits
  - Special characters: $!@%-_=+[]:./^,{}?
- Cannot contain the username or the username spelled backwards.
- Cannot contain more than two consecutive characters in the same sequence as they appear in the username. (This requirement applies only to Windows ECSs.)

YNbUwp!dUc9MClnv

NOTE:

The example password is generated randomly. Do not use it.

Parent topic: Passwords