Description of problem: EAP 6.4 : (BUG) first command fails, but the same syntax works for second command, the result is the same if the order of the commands is switched. [standalone@localhost:9999 /] command add --node-type=/socket-binding-group=standard-sockets/socket-binding --command-name=socketbinding [standalone@localhost:9999 /] socketbinding add --name=messaging-throughput --port=5455 Failed to handle 'socketbinding add --name=messaging-throughput --port=5455': java.lang.IllegalArgumentException [standalone@localhost:9999 /] socketbinding add --name=messaging --port=5445 [standalone@localhost:9999 /] EAP 7 : (Works fine in EAP 7) [standalone@localhost:9990 /] command add --node-type=/socket-binding-group=standard-sockets/socket-binding --command-name=socketbinding [standalone@localhost:9990 /] socketbinding add --name=messaging-throughput --port=5455 [standalone@localhost:9990 /] socketbinding add --name=messaging --port=5445 [standalone@localhost:9990 /]