Step 1 - Sign in to Appdynamics
Step 2 - Click your name on the top-right corner, then click the Profile link.
Step 3 - Once the profile page is loaded, click the Notifications link.
Step 4 - On the Notification page, enable or disable the required notification access and click the Save button.
Note: License notifications are required for the primary contact role. So, the checkbox is enabled for primary contacts by default, and the setting can't be changed.