If you want to install Oracle Management Agent 12c on an
operating system that is different from the one on which Oracle
Management Service 12c is running, then ensure that the
Management Agent software for the intended platform is
downloaded and stored in the Software Library using the Self
For information about the Self Update console, see the chapter
on Self Update in the Oracle Enterprise Manager Cloud Control
The only way to get the agent binaries for agent deployment is through self update feature in EM. Self update works in offline or online mode , read this : http://docs.oracle.com/cd/E24628_01/doc.121/e24473/self_update.htm#CACGJJAH
Edited by: Akanksha on Nov 27, 2012 9:59 AM
you have to download a maste catalog with all version of the Plugins and so on and patch your OMS with this MASTER Catalog.
After this you can download the Agent via Self Update Feature and you will get a plan how to do this from the 12c Cloud control if you hit the Download Button!