name : deactivate-mfa-device.rst **To deactivate an MFA device** This command deactivates the virtual MFA device with the ARN ``arn:aws:iam::210987654321:mfa/BobsMFADevice`` that is associated with the user ``Bob``. :: aws iam deactivate-mfa-device \ --user-name Bob \ --serial-number arn:aws:iam::210987654321:mfa/BobsMFADevice This command produces no output. For more information, see `Using multi-factor authentication (MFA) in AWS <https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_mfa.html>`__ in the *AWS IAM User Guide*.