Home > Data Protection > PowerProtect Data Manager Appliance > Dell PowerProtect Data Manager Appliance Configuration Best Practices > Multi-factor authentication
Multi-factor authentication (MFA) is an authentication method that requires the user to provide two or more verification factors to gain access to a system.
PowerProtect Data Manager Appliance leverages knowledge and possession factors to achieve MFA capabilities:
When using MFA:
Customers can opt for MFA using Google/Microsoft Authenticator or RSA Secure ID, but not both at the same time.
Note: For information about how to enable MFA on Data Manager and RSA Secure ID, see the PowerProtect Data Manager Appliance DM5500 5.16.0.0 Security Configuration Guide.