failed to connect ICX 7150 to SZ

Hi,i have installed an ICX7150-C12-2X1G POE 12-port – Version:10.1.15T225and i am trying to connect it to my Smartzone vSZ-H – 5.1.1.0.598i have followed the guide and configure the switch with the “sz Active-list commandand i have verified there is connectivity between both devices on all ports, but this doesnt seem to work for meSSH@GroupA#show sz status============    SZ Agent State Info     ===================Config Status: None     Operation Status: EnabledState: SZ QUERY             Prev State: INIT                 Event: SZ QUERY RESPONSESWR List            : NoneActive List         : 10.31.3.8DHCP Option 43      : NoDHCP Opt 43 List    : NonePassive List        : NoneMerged List         : 10.31.3.8Merged Idx: 0    IP : 10.31.3.8Switch registrar host: sw-registrar.ruckuswireless.comSwitch registrar discovery retry count: 7Switch registrar host resolve failure count: 7SZ IP Used          : 10.31.3.8SZ Query Status     :        In Progress. Response Not Received.sz logs————————-Jan  1 19:48:35:https_connmgr_send_request>Entered.Jan  1 19:48:35:sz_execute_state_machine>Exit with state/event: SZ QUERY/5, TIMER/2002 RC: 1Jan  1 19:48:35:sz_execute_state_machine>Entering with state/event: SZ QUERY/5, SZ QUERY RESPONSE/2007Jan  1 19:48:35:sz_parse_sz_query_response — Status: 600 <<Jan  1 19:48:35:sz_fsm_sz_query_state>Moving to IP:10.31.3.8 because of retry count: 36Jan  1 19:48:35:sz_execute_state_machine>Exit with state/event: SZ QUERY/5, SZ QUERY RESPONSE/2007 RC: 1Jan  1 19:48:35:HTTP Request Error:Http remote connection close called.any ideas? thanks.