SetUserMFAPreference - Amazon Cognito User Pools


Set the user's multi-factor authentication (MFA) method preference, including which MFA factors are activated and if any are preferred. Only one factor can be set as preferred. The preferred MFA factor will be used to authenticate a user if multiple factors are activated. If multiple options are activated and no preference is set, a challenge to choose an MFA option will be returned during sign-in. If an MFA type is activated for a user, the user will be prompted for MFA during all sign-in attempts unless device tracking is turned on and the device has been trusted. If you want MFA to be applied selectively based on the assessed risk level of sign-in attempts, deactivate MFA for users and turn on Adaptive Authentication for the user pool.

Authorize this action with a signed-in user's access token. It must include the scope aws.cognito.signin.user.admin.


Amazon Cognito doesn't evaluate AWS Identity and Access Management (IAM) policies in requests for this API operation. For this operation, you can't use IAM credentials to authorize requests, and you can't grant IAM permissions in policies. For more information about authorization models in Amazon Cognito, see Using the Amazon Cognito user pools API and user pool endpoints.

Request Syntax

{ "AccessToken": "string", "SMSMfaSettings": { "Enabled": boolean, "PreferredMfa": boolean }, "SoftwareTokenMfaSettings": { "Enabled": boolean, "PreferredMfa": boolean } }

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

The request accepts the following data in JSON format.


A valid access token that Amazon Cognito issued to the user whose MFA preference you want to set.

Type: String

Pattern: [A-Za-z0-9-_=.]+

Required: Yes


The SMS text message multi-factor authentication (MFA) settings.

Type: SMSMfaSettingsType object

Required: No


The time-based one-time password (TOTP) software token MFA settings.

Type: SoftwareTokenMfaSettingsType object

Required: No

Response Elements

If the action is successful, the service sends back an HTTP 200 response with an empty HTTP body.


For information about the errors that are common to all actions, see Common Errors.


This exception is thrown when AWS WAF doesn't allow your request based on a web ACL that's associated with your user pool.

HTTP Status Code: 400


This exception is thrown when Amazon Cognito encounters an internal error.

HTTP Status Code: 500


This exception is thrown when the Amazon Cognito service encounters an invalid parameter.

HTTP Status Code: 400


This exception is thrown when a user isn't authorized.

HTTP Status Code: 400


This exception is thrown when a password reset is required.

HTTP Status Code: 400


This exception is thrown when the Amazon Cognito service can't find the requested resource.

HTTP Status Code: 400


This exception is thrown when a user isn't confirmed successfully.

HTTP Status Code: 400


This exception is thrown when a user isn't found.

HTTP Status Code: 400

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: