The following instructions assume that you have already installed Enterprise Manager 12c (12.1.0.1.0).
To configure the plugin with 12c:
Verify preferred credentials for the Enterprise Manager Agent:
Login to Enterprise Manager as the system administration user.
Go to Preferences, Preferred Credentials.
Find the Agent target and click Set Credentials.
In Target Credentials, enter the HostUsername and Password of the Enterprise Manager box so the agent knows how to login.
Note: If you are running Enterprise Manager on Microsoft Windows, the Target Credentials must be for a Windows user that has log on as a batch job policy enabled.
Import and deploy the P6 EPPM plugin:
Run these commands from OMS_HOME/bin (for example:/home/user/Oracle/oms/bin)
emcli login username=admin user
where admin user is the admin user for Enterprise Manager (for example,sysman}