Where does Jazz Team Server define servers where it will look for running Jazz Build Engines?
One answer
The Build Engines defined in server are stored in the DB and also you can check what engines are defined from server URL logged in as Jazz Admin.
https://HOST:PORT/ccm/resource/virtual/build/engines?_prettyPrint=true
for Build Definitions :
https://HOST:PORT/ccm/resource/virtual/build/definitions?_prettyPrint=true
Also Jazz Build Engine polls the CCM server and thats how server knows that the JBE is running.