For devices that are approaching the license term expiration, the user interface displays a banner. The banner identifies the issue and provides a link to the Device list, where you can see which devices are affected.
LICENSE EXPIRATION - At least one of your ExtremeCloud IQ subscriptions will expire within XX days. Check affected devices here.
The following notification banner appears when you have devices not covered by a license:
LICENSE VIOLATION - Unlicensed devices. Check affected devices here.