Category Archives: TNS Database Error Messages

TNS-00519: Operating system resource quota exceeded

oracle

TNS-00519: Operating system resource quota exceeded
Cause: The current user has exceeded the allotted resource assigned in the operating system.
Action: Acquire more operating system resource, or perform a different function.

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TNS-00518: Incomplete read or write

oracle

TNS-00518: Incomplete read or write
Cause: A data send or receive failed. This message is not normally visible to the user.
Action: For further details, turn on tracing and re-execute the operation. If the error persists, contact Oracle Support Services.

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TNS-00517: Lost contact

oracle

TNS-00517: Lost contact
Cause: Partner has unexpectedly gone away.
Action: Investigate partner application for abnormal termination.

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TNS-00516: Permission denied

oracle

TNS-00516: Permission denied 
Cause: User has insufficient privileges to perform the requested operation. 
Action: Acquire necessary privileges and try again.

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TNS-00515: Connect failed because target host or object does not exist

oracle

TNS-00515: Connect failed because target host or object does not exist
Cause: The address specified is not valid, or the program being connected to does not exist.
Action: Ensure the ADDRESS parameters have been entered correctly; the most likely incorrect parameter is the node name. Ensure that the executable for the server exists (perhaps "oracle" is missing).

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TNS-00514: Contexts have different wait/test functions

oracle

TNS-00514: Contexts have different wait/test functions
Cause: Two protocol adapters have conflicting wait/test functions. This message is not normally visible to the user.
Action: For further details, turn on tracing and re-execute the operation. If the error persists, contact Oracle Support Services.

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TNS-00513: Destination host unreachable

oracle

TNS-00513: Destination host unreachable
Cause: Contact cannot be made with remote party.
Action: Make sure the network driver is functioning and the network is up.

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TNS-00512: Address already in use

oracle

TNS-00512: Address already in use
Cause: Specified listener address is already being used.
Action: Start your listener with an unused address.

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TNS-00511: No listener

oracle

TNS-00511: No listener
Cause: The connect request could not be completed because no application is listening on the address specified, or the application is unable to service the connect request in a sufficiently timely manner.
Action: Ensure that the supplied destination address matches one of the addresses used by the listener. Compare the TNSNAMES.ORA entry with appropriate LISTENER.ORA file (or TNSNAV.ORA if the connection is to go by way of an Interchange. Start the listener on the remote machine.

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TNS-00510: Internal limit restriction exceeded

oracle

TNS-00510: Internal limit restriction exceeded
Cause: Too many files or sockets open simultaneously (or some other resource has been depleted).
Action: For further details, trace the operation for protocol details.

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