Oracle Database Errors or Warnings from Error ORA-28026 to ORA-28038

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ORA-28026: user with same external name already exists
Cause: The external name specified for the user being created or altered already exists for another user.
Action: External names must be unique among users. Specify another.
ORA-28027: privileged database links may be used by global users
Cause: Only users IDENTIFIED GLOBALLY may use a privileged database link.
Action: Either change the user to a global user or try to use a different database link.
ORA-28028: could not authenticate remote server
Cause: During the course of opening a privileged database link, the remote server was not securely identified using the network security service. Additional errors should follow.
Action: Consult the network security service documentation on how to properly configure the remote server.

ORA-28029: could not authorize remote server for user string
Cause: During the course of opening a privileged database link, the remote server was found to lack the necessary authorizations to connect as the current global user. This may be because the server was not authorized by the network security service. Or it may be because the local server is restricting access by the remote server using the DBMS_SECURITY_DOMAINS_ADMIN package.
Action: Grant the remote server the proper authorization to connect as the given global user, and check that the local server is not restricting access.
ORA-28030: Server encountered problems accessing LDAP directory service
Cause: Unable to access LDAP directory service
Action: Please contact your system administrator
ORA-28031: maximum of string enabled roles exceeded
Cause: The user attempted to enable too many roles.
Action: Enable fewer roles.

ORA-28035: Cannot Get Session Key for Authentication
Cause: Client and server cannot negotiate shared secret during logon
Action: User should not see this error. Please contact your system administrator
ORA-28037: Cannot Get Session Key for RACF Authentication
Cause: Client and server cannot negotiate shared secret during logon
Action: User should not see this error. Please contact your system administrator
ORA-28038: disallow O2LOGON
Cause: turn off O2LOGON
Action: None

Above are list of Oracle Database Errors or Warnings from Error ORA-28026 to ORA-28038 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.

Hope this was helpful.

Thanks,
SQLServerF1 Team
Information about Oracle Database Error Messages or Warning Messages on Windows and Linux Operating Systems.

 

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