You have installed the agent but it is not connecting to the Bit9 Server.
'dascli status' shows "Disconnected (Security Error)" on the Connection line under Client Information.
trace.bt9 log shows the following errors:
10:44:00 255505951 ( 7920) - Server Communication: Error receiving data. Http Error: 403
10:44:00 255505951 ( 7920) - Server Communication: IndicateConnectionActivity error[true], forceOffline[false], isActive[false]
10:44:00 255505951 ( 7920) - Server Communication: SetConnected isConnected[false], connection state[false]
10:44:00 255505951 ( 7920) - Server Communication: ReceiveResponse: Return 
10:44:00 255505951 ( 7920) - Server Communication: Exception communicating with server.
There's a network issue that’s preventing the agent from connecting to the server.
Gather the following information. If you are not able to intuit the next steps based on the results of these steps, please provide the output to support for assistance.
tracert "FQDN of Bit9 server"
netstat –ano|find “41002”
nslookup "FQDN of Bit9 server"
Ping "FQDN of Bit9 server"
telnet "FQDN of Bit9 server"
proxycfg or netsh winhttp show proxy - Make sure the Bit9 server address is added to the proxy exclusion/Bypass List.
Check to make sure there is an exception in your firewall for 41002 and any firewalls between the agent and server.
If you need to add your server to the proxy bypass list, please follow the instructions here: You may need to run the Proxycfg tool for ServerXMLHTTP to work.
Please see solution Basic communication check for other agent connection troubleshooting.