"ORA-04031: Unable To Allocate 1667330712 Bytes Of Shared Memory ("shared Pool","unknown Object","sg

(Doc ID 1627802.1)

Last updated on FEBRUARY 02, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.3 to 12.1.0.1 [Release 11.2 to 12.1]
Information in this document applies to any platform.
***Checked for relevance on 28-Jul-2015***

Symptoms

Alert log reports next error:

ORA-04031: unable to allocate 1667330712 bytes of shared memory ("shared pool","unknown object","sga heap(1,1)","KZS MTS Network Context")

 

Changes

 Kerberos is enabled in a shared server environment.

Cause

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