Adding target to EM12C needs to install agent to the Target Host Depend on Operating system, the agent is now always available which mean install Agent for this operating system is necessary, the below picture describe the above case :-
Enterprise manager cloud 12c contains two different type of Connection mode online and offline, this blog describe how to install manually :-
From Setup –> extensibility –> Self Update
Press On Agent Software., The below screen will appear :-
By pressing any of those agent new pop up will open included with link to download, copy the link and upload the file to OMS Host and run the below command :-
[oracle@EM12C emcli]$ ./emcli import_update -omslocal -file=….
File Path should be provided in the above command.
The output :-
Processing update: Agent Software – Agent Software (12.1.0.1.0) for Microsoft Windows x64 (64-bit)
Successfully uploaded the update to Enterprise Manager. Use the Self Update Console to manage this update.
After Run the above command Successfully, Back to Self Update screen –> Agent Software and Apply the Download Catalog by press apply.
Thank you
Osama mustafa
Technology Geek 