Survey of BEA-000000 Warning in EM12c OMS Logs
<Warning> <org.apache.myfaces.trinidadinternal.agent.AgentFactoryImpl> <BEA-000000> <The User-Agent "EMCTL COMMAND: Oracle HTTPClient Version 10h" is unknown; creating an agent with "unknown" agent attributes.>
Can you check (grep "BEA-00000") your logs to see if you are getting this warning? If you know, please mention whether you are using a physical or virtual (like VMWare) server for OMS. Thanks!
Note: on our system EMGC_OMS1.out is in the directory $WLS_HOME/gc_inst/user_projects/domains/GCDomain/servers/EMGC_OMS1/logs/