Network management software provides crucial functionalities that assist in the maintenance, administration, and monitoring of computer networks. These systems are essential for ensuring the health and efficiency of a network, particularly in large business environments where the complexity and scale of operations can be immense.

Core Functionalities: Firstly, network management software is integral in monitoring network performance. This includes tracking various metrics such as bandwidth usage, network traffic, and latency. Real-time monitoring alerts administrators to anomalies that could indicate issues such as overloads or attempted breaches.

Another critical function is network configuration management. This feature helps in managing the network hardware configurations effectively, enabling quick response to changes and ensuring consistent performance and security standards across all devices. Additionally, network management tools perform fault analysis, which helps in diagnosing problems, efficiently resolving them, and even preventing future issues.

Importance for Large Businesses: For large businesses, network management software is vital for maintaining business continuity. The ability to monitor the network ensures that potential issues can be addressed before they escalate, thereby minimizing downtime. Efficient configuration management reduces the risk of human error, which is particularly crucial in large-scale operations that use extensive network infrastructures.

Moreover, network management solutions support security protocols, which are indispensable in protecting sensitive data against internal and external threats. In summary, network management software not only supports the day-to-GA operations of a business but also contributes significantly to its strategic planning and operational resilience.