load generator连接失败，端口443可以telnet成功

actorai

load generator连接失败，端口443可以telnet成功，错误信息如下，有谁知道是什么原因吗

Failed to connect to the agent.

Load Generator not responding after timeout
Command line that was executed:

-usr ..\dat\lr_trans_server.usr -lnch_interactive   -controllerhost "CY553H1-R" -bridge -monitor_parent -extra_ext time_diff_ext -no_exception  -eve_file_version 3 -drv_log_file_under_cntrl lr_bridge.log -working_lang 0 -es_unique_id 3 -extra_ext SummaryDataTransExt -trans_server_extra_ext SummaryDataTransExt -trs_online_mode 0 -trs_timer_duration 5  -out_communication 0 -extra_ext LrHostBalance -supply_netdir -base_temp_dir "D:\temp" -extra_ext mft_server -lnch_priority normal -no_popups -lnch_interactive  -lnch_registry_key "HKEY_LOCAL_MACHINE\SOFTWARE\Mercury Interactive\LoadRunner\CurrentVersion\RuntimeEnvironment"  -product_name "LoadRunner" -lnch_dont_remove_until_notify