The EMS Server name is defined in the EMS server's main configuration file tibemsd.conf. BW client does not use the EMS server name for EMS connections. If you want to retrieve the information in BW, you need to use Java code to call the EMS Admin API.
java.lang.Object com.tibco.tibjms.admin.ServerInfo
getServerName
public java.lang.String getServerName()Get the name of the server.
Returns: The name of the server.