Oracle Database Errors or Warnings from Error ORA-12689 to ORA-12699
ORA-12689: Server Authentication required, but not supported
Cause: Server Authentication is required for this connection, but not supported by both sides of the connection.
Action: Make sure both sides of the connection have the correct version of Advanced Networking Option, and that the Authentication Adapter supports Server Authentication.
ORA-12690: Server Authentication failed, login cancelled
Cause: Server Authentication is required, but the server’s credentials were found invalid by the client.
Action: Make sure that the server has a valid set of credentials. Refer to your authentication adapter specific documentation on how to do this.
ORA-12696: Double Encryption Turned On, login disallowed
Cause: The user is using a Secure Protocol Adapter that has Encryption turned ON as well as ANO Encryption.
Action: Turn OFF either ANO Encryption or the Protocol Adapter Encryption if possible. Refer to Oracle Advanced Security Administrator’s Guide on how to do this.
ORA-12699: Native service internal error
Cause: An internal error occurred in the native services component.
Action: Enable tracing to determine the exact error. Contact Oracle Customer Support.
Above are list of Oracle Database Errors or Warnings from Error ORA-12689 to ORA-12699 received while performing certain operation against Oracle Database or related products.
What are Oracle Database Error Messages?
Oracle Error Messages may be returned while using products which are part of Oracle Database. Each Oracle Database Error or Warning Message mentioned above contains the Warning or Error Message Statement, a short explanation of the probable causes of the Error message, and a recommended action.
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Information about Oracle Database Error Messages or Warning Messages on Windows and Linux Operating Systems.