Hi, I noticed that: stdby.AWC.COM = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = aero-v11knrvzlg)(PORT = 5112)) ) (CONNECT_DATA =(SID = prod) ) ) has the PORT set to 5112 and not 1521, is this the problem or are you really running a listener on that port? Regards Pete [END] ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email ______________________________________________________________________ -- //www.freelists.org/webpage/oracle-l