The steps for adding a Managed Server to the current domain:
Understand the concept of Oracle WebLogic Server domains and the role of Managed Servers in the domain. More
Consider the different ways you can scale your Oracle WebLogic Server environment to meet new computing requirements. More
Learn about Oracle WebLogic Server Node Managers and machines. More
Add a Managed Server to the domain. How?
For more information, see the following:
"Advanced Administration: Expanding Your Environment" in Administering Oracle Fusion Middleware
"Scaling Out a Topology (Machine Scale Out)" in the High Availability Guide