Last updated on NOVEMBER 22, 2016
Applies to:Oracle Server - Enterprise Edition - Version: 18.104.22.168 to 22.214.171.124
This problem can occur on any platform.
ORA-00600  is returned when attempting to login with OS authentication if the parameter
You can set this value to a null string as below.
Any value within the quotes will be prefixed to the user's operating system account name.
If OS_AUTHENT_PREFIX='X' and OS username is "APP", the user is termed as "XAPP" and then compared with the Oracle username in the database.
If a null string is used, there will be no prefix added to the OS username.
If OS_AUTHENT_PREFIX='""', value of the parameter is kept as "" in the database and Oracle fails with ORA-00600 .
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