You can find the EjbNodeAddress, and EjbNodeJNDIPort values from the OEBPS_HOME\cluster\conf\oebps-cluster.xml file. Open this file in a text editor. In this file, locate the server name given in name property of a node tag for the server you want to stop. In this node tag, the address tag contains the value for the <EjbNodeAddress> parameter and jndi-port tag contains the value for the <EjbNodeJNDIPort> parameter.
Note: Reverting BusinessManager from Cluster to Standalone configuration is not supported.