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IAM Debugging

MFADevice entity at the same path and name already exists

It happens when a user receives an error while creating her MFA authentication.

To solve it:

List the existing MFA physical or virtual devices

aws iam list-mfa-devices
aws iam list-virtual-mfa-devices

Delete the conflictive one

aws iam delete-virtual-mfa-device --serial-number {{ mfa_arn }}