To enable P6 EPPM to publish target metrics, you must first set the JVM for P6 to allow remote JMX connections. To set the JVM:
Start the WebSphere Application Server.
Launch the WebSphere Application Server Administrative Console.
In the left-hand navigation pane:
Expand Servers then Server Types.
Click WebSphere application servers.
On the Application servers screen, click the server name link.
On the Configuration tab, under Server Infrastructure, expand Java and Process Management.
Click Process Definition.
Under Additional Properties on the right side, click Java Virtual Machine.
On the Configuration tab, under Generic JVM arguments, add this line to the end of the arguments already there (as all one line with a space before the dash):