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Error ora-03113 and ora-12638<> [message #54731] Mon, 02 December 2002 04:26 Go to next message
shareef
Messages: 72
Registered: November 2002
Member
i am getting error messages while i am connecting to oracle.

Error ora-03113:end of-file on communication chaneel

and another is

ora-12638:Credential Retrieval Failed.

it is urgent, plese help me dba guru's
Re: Error ora-03113 and ora-12638<> [message #54734 is a reply to message #54731] Mon, 02 December 2002 06:18 Go to previous message
Mahesh Rajendran
Messages: 10707
Registered: March 2002
Location: oracleDocoVille
Senior Member
Account Moderator
open ur sqlnet.ora
available in $ORACLE_HOME/network/admin
if there is an entry like this, DELETE or COMMENT it.
SQLNET.AUTHENTICATION_SERVICES = NTS.  

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