Once all your devices and NSM is licensed on MSW, you need to enable the Closed Network feature.
To enable Closed Network feature
Log into the NSM system and copy the GUID on the dashboard. Refer to step 1 and 2 under Registering NSM.
Log into MySonicWall.
Navigate to My Workspace > Products in MySonicWall.
Select the NSM for which you want to enable the closed network.
Click on ADD GUID.
Enter the GUID that you copied in step 1 and click Confirm.
Toggle on the Closed Network. The switch turns into a link which is used later when generating your license files.