i cant start photon server.

hi all;

i am new to photon. i am sory if its a easy problem. my problem is shared below a screenshoot. i am trying to start photon server as shown on the tutorial. i registered licance file and started LoadBalancing as application. when i hit Run Test Client option its stuck. when i try to connect via unity its not connect to my hosted server. what could be the problem ?. thnx for advice and answers..