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Amazon Cognito InvalidPasswordException

The password provided does not meet the password policy requirements.

Understanding Amazon Cognito

Amazon Cognito is a robust authentication service provided by AWS that allows developers to add user sign-up, sign-in, and access control to their web and mobile applications quickly and securely. It supports various authentication methods and integrates seamlessly with other AWS services, making it a popular choice for managing user identities and permissions.

Identifying the Symptom: InvalidPasswordException

When using Amazon Cognito, you might encounter the InvalidPasswordException error. This error typically arises during user registration or password change attempts, indicating that the password provided does not meet the defined password policy requirements.

Common Observations

  • Users are unable to register or change their password.
  • Error message: "The password provided does not meet the password policy requirements."

Exploring the Issue: InvalidPasswordException

The InvalidPasswordException is triggered when the password entered by a user fails to comply with the password policy set in the Cognito User Pool. This policy ensures that passwords are strong and secure, reducing the risk of unauthorized access.

Password Policy Requirements

The password policy may include requirements such as:

  • Minimum length
  • Inclusion of uppercase and lowercase letters
  • Inclusion of numbers and special characters
  • Prohibition of common passwords

For more details on setting password policies, refer to the AWS Cognito User Pool Settings.

Steps to Fix the InvalidPasswordException

To resolve the InvalidPasswordException, follow these steps:

Step 1: Review Password Policy

Check the password policy configured for your Cognito User Pool. You can do this via the AWS Management Console:

  1. Navigate to the Amazon Cognito Console.
  2. Select the User Pool associated with your application.
  3. Go to the "Policies" section under "General settings" to view the current password policy.

Step 2: Update Password Policy

If necessary, update the password policy to align with your application's security requirements. Ensure it balances security and user convenience:

  1. In the "Policies" section, adjust the settings for minimum length, character requirements, etc.
  2. Save the changes to apply the new policy.

Step 3: Educate Users

Inform users about the password requirements to prevent future errors. Provide clear instructions during the registration or password change process.

Conclusion

By understanding and addressing the InvalidPasswordException, you can enhance the security of your application while ensuring a smooth user experience. For further reading, visit the Amazon Cognito Documentation.

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