Azure Network Watcher is a comprehensive network monitoring and diagnostic service offered by Microsoft Azure. It provides a range of tools and capabilities to help users monitor, diagnose, and gain insights into their Azure network infrastructure. With Network Watcher, users can capture and analyze network traffic, monitor network performance, troubleshoot connectivity issues, and gain visibility into network topology. It also offers features like packet capture, flow logs, connection monitoring, and VPN diagnostics to ensure the smooth operation of Azure networks. Network Watcher enables users to proactively identify and resolve network issues, optimize network performance, and enhance the overall reliability and security of their Azure network environment.