ORA-600 [kgassg_2] ora ORA-12500 in the Alert.log or Listener.log

(Doc ID 337189.1)

Last updated on JUNE 13, 2013

Applies to:

Oracle Server - Standard Edition - Version: to - Release: 9.2 to 11.2
Information in this document applies to any platform.
***Checked for relevance on 09-APR-2012***


The following errors may be seen in alert logs and listener logs:

ORA-12500: TNS:listener failed to start a dedicated server process

ORA-600 [kgassg_2]

OS errors

While there may be other errors, these are the most common.


Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms