Hi,
We understood you are referring EUM license key field under Configure -> instrumentation -> End User experience -> license key field, let us know if any disconnect
You can file a support ticket at https://help.appdynamics.com/tickets/new or send email to help@appdynamics.com and mention your company name details while filing ticket , also can you please reach out to your sales rep for more details.
Thanks,
Arun
