Why is "B" shown in the Concurrent license feature list in the License Server Interface (http://localhost:8888) Dashboard?
EcoStruxure Building Operation
Building Operation License Server
The Flexera framework requires at least 1 licensed feature to be present when installing a license server for it to start correctly. In this phase there aren't any licensed features so a dummy feature is created.
It can be ignored as it is just a dummy license used for the installation.