The property com.sun.appserv.iiop.orbconnections is not supported in Sun Java System Application Server, version 8.x.
When using the context factory, (com.sun.appserv.naming.S1ASCtxFactory), you can specify the number of connections to open to the server from the client ORB with the property com.sun.appserv.iiop.orbconnections.
The default value is one. Using more than one connection may improve throughput for network-intense applications. The configuration changes are specified on the client ORB(s) by adding the following jvm-options: