Internal Error ORA-600 [kzsvgvd:0] For Logons Reported After Upgrade To 11g

(Doc ID 1322924.1)

Last updated on APRIL 09, 2018

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.1 to 11.2]
Information in this document applies to any platform.


Database upgraded from to The upgrade by itself was successful but user connections are failing with error ORA-00600 [kzsvgvd:0]


In Oracle 11g development started to use the USER$.SPARE4 column to store the new SHA-1 password hash, if this column was used before (which is unsupported), this error may happen after upgrade to 11g.


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