Azure Network Watcher provides tools to monitor, diagnose, view metrics, and enable or disable logs for resources in an Azure virtual network.
Starting today, we’re rolling out changes to enable Network Watcher by default for subscriptions that contain a virtual network. There is no impact to your resources or associated charge for automatically enabling Network Watcher. This will simplify and improve your network troubleshooting experience.
To learn more about Network Watcher features, or for information about how to opt out, see the product documentation. You can also get information about pricing.