ADM warning message showing Licenses will be reduced on VIPs from 30 down to 2.

Error message appears post upgrade to 13.1-12.x or later.

Points to note:

For build 13.1-9.x or earlier, you can manage up to 30 discovered applications or virtual servers and view analytics. Beyond the 30 discovered applications or the 30 virtual servers, you must buy and apply an Advanced license. For example, if you buy 100 virtual server licenses, then you are entitled to you use up to 130 virtual server licenses.

For build 13.1-12.x or later, you can manage up to two discovered applications or virtual servers and view analytics. Beyond the two discovered applications or the two virtual servers, you must buy and apply an Advanced license.

For example, if you buy 100 virtual server licenses, then you are entitled to you use up to 102 virtual server licenses. Points to note from call: The ADM cannot affect VIP traffic. The License you require is Advanced to continue to monitor these VIPs. VIPs refers to the Content Switch or Load Balancing Virtual Servers you use. To renew the license you need to reach out to your account manager or sales renewal representative.

From licensing documentation: 
https://docs.citrix.com/en-us/citrix-application-delivery-management-software/current-release/licensing.html

Problem Cause