> Use the parameter QUEUESIZE to specify the number of concurrent connection > requests that the listener can accept on a TCP/IP or IPC listening endpoint > (protocol address). Yep, I added this to our listener.ora after my connection stress test caused the listener to temporarily stop accepting requests. On a reasonable POWER5 P570 (circa 2007) running AIX 5.3, I was unable to saturate the listener with a QUEUESIZE of 32 using two or three clients hammering it. YMMV. Rich -- //www.freelists.org/webpage/oracle-l