R3trans -d gives 0012 (SAP) in RAC env
Issue: Some times You might find the issue (Especially in SAP env) that, your application is showing connection good with your Database (RAC) and all of sudden not, and then again shows connection then again not... When you run R3trans -d from Application ( SAP) many times output comes as 0000 and many times 0012. And in this if you find: [oracle@eul2504 ~]$ sqlplus /@SID001 SQL*Plus: Release 11.2.0.2.0 Production on Fri Jun 16 01:03:28 2017 Copyright (c) 1982, 2010, Oracle. All rights reserved ERROR:ORA-01017: invalid username/password; logon denied Then There is a chance that one of the node in RAC might have remote parameter set wrong. Solution: Check for the remote authentication parameter: "primary:sys@SID001> show parameter AUTHENT NAME TYPE ...