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Connection using “/ as sysdba” shows “ORA-27271: szingroup: group lookup failure” (Doc ID 1612762.1)

Last updated on APRIL 13, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 to 12.1.0.2 [Release 11.2 to 12.1]
IBM AIX on POWER Systems (64-bit)

Symptoms

Connections to a database using “/ as sysdba” report the following error

% sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Wed Jan 8 12:27:32 2014

Copyright (c) 1982, 2013, Oracle.  All rights reserved.

ERROR:
ORA-27271: szingroup: group lookup failure
IBM AIX RISC System/6000 Error: 3: No such process
Additional information: 869

Enter user-name:

You may also see similar error while invoking or connection using SYSOPER (sqlplus / as sysoper)

Cause

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In this Document
Symptoms
Cause
Solution
References


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