[*] Keep all the parameters value with-in double quotes ("") except for Boolean values (True / False).
<OMS_HOME>/bin/emctl status oms -details
After installation, agent should be discovered in the grid if not then
OMS_HOST="<OMS Host server name>" OMS_PORT="4900" AGENT_REGISTRATION_PASSWORD="<password>"
[+] From Agent machine [machine1.company.com] to OMS machine [grid1.company.com]:
ping <full host where agent is installed ex. machine1.company.com> ping machine1 ping <IP Address of machine1.company.com> nslookup <full host where agent is installed ex. machine1.company.com> nslookup machine1 nslookup <IP Address of machine1.company.com>
If all the connection seems to be correct, then kindly make the changes in additional_agent.rsp file as:
ping <full host name where OMS is installed ex: grid1.company.com> ping grid1 ping <IP Address of grid1.company.com> nslookup grid1.company.com nslookup grid1 nslookup <IP Address of grid1.company.com> telnet grid1.company.com 4889 telnet grid1 4889 telnet <IP Address of grid1.company.com> 4889
and then re-try the silent installation.