Category Archives: TNS Database Error Messages

TNS-12500: TNS:listener failed to start a dedicated server process

oracle

TNS-12500: TNS:listener failed to start a dedicated server process
Cause: The process of starting up a dedicated server process failed. The executable could not be found or the environment may be set up incorrectly.
Action: Turn on tracing at the ADMIN level and re-execute the operation. Verify that the Oracle Server executable is present and has execute permissions enabled. Ensure that the Oracle environment is specified correctly in LISTENER.ORA. The Oracle Protocol Adapter that is being called may not be installed on the local hard drive. Check that the correct Protocol Adapter are successfully linked. If the error persists, contact Oracle Support Services.

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TNS-12236: TNS:protocol adapter not loaded

oracle

TNS-12236: TNS:protocol adapter not loaded
Cause: On some platforms (such as OS/2) protocol adapters are loaded at run-time. If the shared library (or DLL) for the protocol adapter has not been loaded, then this error is returned.
Action: For further details, turn on tracing and re-execute the operation. The trace file will have the name of the shared library (or DLL) that has not been loaded.

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TNS-12235: TNS:Failure to redirect to destination

oracle

TNS-12235: TNS:Failure to redirect to destination
Cause: This error is reported by an interchange which fails to redirect a connection to another interchange along the path to the destination.
Action: Report the problem to your Network Administrator.

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TNS-12234: TNS:Redirect to destination

oracle

TNS-12234: TNS:Redirect to destination
Cause: This error is reported by an interchange which determines that this interchange is not the right gateway and needs to redirect the connection to another gateway along the path to the destination.
Action: No action required.

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TNS-12233: TNS:Failure to accept a connection

oracle

TNS-12233: TNS:Failure to accept a connection
Cause: This error is reported by an interchange which fails to accept a connection due to a redirect failure.
Action: Report the problem to your Network Administrator so that the interchange problem can be isolated.

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TNS-12232: TNS:No path available to destination

oracle

TNS-12232: TNS:No path available to destination
Cause: This error is reported by an interchange which fails to find a possible path to the destination.
Action: Report the problem to your Network Administrator.

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TNS-12231: TNS:No connection possible to destination

oracle

TNS-12231: TNS:No connection possible to destination
Cause: This error is reported by an interchange which fails to find a possible connection along the path to the destination.
Action: Report the problem to your Network Administrator so that he may fix the problem.

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TNS-12230: TNS:Severe Network error ocurred in making this connection

oracle

TNS-12230: TNS:Severe Network error ocurred in making this connection
Cause: This error is reported by an interchange which fails to make contact with the destination due to a physical network error while calling a destination.
Action: Try again later when the network service may have been fixed or report the problem to your Network Administrator.

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TNS-12229: TNS:Interchange has no more free connections

oracle

TNS-12229: TNS:Interchange has no more free connections
Cause: One or more Interchanges along the path to the destination desired has no more free connections available to be used for this call.
Action: Try again later when the Interchanges are less busy, or contact your network administrator to have him determine which interchange it is, and increase the number of connections available on that interchange.

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TNS-12228: TNS:protocol adapter not loadable

oracle

TNS-12228: TNS:protocol adapter not loadable
Cause: On some platforms (such as OS/2), protocol adapters are loaded at run time. If the shared library (or DLL) for the protocol adapter is missing, or one of its supporting libraries is missing, then this error is returned.
Action: For further details, turn on tracing and re-execute the operation. The trace file will include the name of the shared library (or DLL) that could not be loaded.

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