Network discovery is automatically done hourly by security agents with Relay role. However, you can manually run network discovery task from Control Center at any time, starting from any machine protected by Bitdefender Endpoint Security Tools.
To run a network discovery task in your network:
Go to the Network page.
Select the container that you want from the left-side pane. All endpoints from the selected container are displayed in the right-side pane table.
Select the check box of the relay endpoint you want to perform network discovery with.
Click the Tasks button at the upper side of the table and choose Network discovery.
A confirmation message will appear. Click Yes.
You can view and manage the task on the Network > Tasks page. For more information, refer to Viewing and managing tasks.