Final answer:
721 on the EBR usually stands for Error Beginning Response and is a common error code in computer networking.
Step-by-step explanation:
721 on the EBR usually stands for Error Beginning Response. It is a common error code in computer networking that signifies a problem with the connection or communication between two devices.
For example, if you see Error 721 on your computer when trying to establish a VPN connection, it means that there is an issue preventing the connection from being established. This could be due to a firewall blocking the connection, incorrect VPN settings, or a problem with the network itself.
It is important to troubleshoot the specific situation to determine the exact cause of the error and how to resolve it.