Manage Engine OpManager is a network management software that helps network engineers to perform an end to end network management in a heterogeneous and multi-vendor organizational network. It provides network engineers with a unified approach to analyze and understand any corporate distributed network or an Information Technology (IT) infrastructure. This article focuses on network performance management, general fitness of OpManager in network management as well as justification on its application. Network monitoring and troubleshooting process with the help of OpManager tool would be analyzed extensively. Similarly, use of OpManager in relation to its capability to provide real-time network management and functional capacity to perform network traffic analysis. Finally, comparison and contrast of OpManager with other network management tools would be analyzed to help network managers make informed decisions in terms of network management tools.