Home > Data Protection > PowerProtect DD Series Appliances > PowerProtect Appliances: Configuring and Enabling Multifactor Authentication for Local Users > Configure replica URL
The replica URL is another server URL that, if configured, can be used during a failover. The main advantage of the replica URL is high availability. PowerProtect DD initially connects to the primary RSA Authentication Manager and waits until connection timeout, which is 20 seconds by default. If there is no response, PowerProtect DD will use the replica URL if it is configured. The administrator can change the default 20-second timeout if needed.