Category Archives: TNS Database Error Messages

TNS-00256: Status of Navigator:

oracle

TNS-00256: Status of Navigator:
Cause: Navigator status message component.
Action: No action required.

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TNS-00255: Closing down log, stopping Navigator

oracle

TNS-00255: Closing down log, stopping Navigator
Cause: Log message when Navigator is stopped.
Action: No action required.

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TNS-00254: Navigator has been stopped

oracle

TNS-00254: Navigator has been stopped
Cause: Message sent to Interchange control program by Navigator confirming it has been stopped.
Action: No action required.

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TNS-00253: Error in reading network configuration data from file string with errorstring

oracle

TNS-00253: Error in reading network configuration data from file string with errorstring
Cause: TNSNET.ORA is poorly configured or non-existent.
Action: Check to make sure that TNSNET.ORA is properly configured.

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TNS-00252: Unable to handle route request:string

oracle

TNS-00252: Unable to handle route request:string 
Cause: Command requested did not exist. 
Action: No action required. 

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TNS-00251: Failure in nstest:

oracle

TNS-00251: Failure in nstest:
Cause: NS test operation failed due to an internal error.
Action: If the problem persists, there may be a network problem or resource limitations on the machine. If these do not seem to be causing the problem, contact Oracle Support Services.

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TNS-00250: Navigator has been started

oracle

TNS-00250: Navigator has been started
Cause: Message to log file on Navigator startup.
Action: No action required.

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TNS-00249: Unable to read network configuration data from file string with error: string

oracle

TNS-00249: Unable to read network configuration data from file string with error: string
Cause: Network configuration file TNSNET.ORA is missing or poorly configured.
Action: Check to make sure that TNSNET.ORA is properly configured.

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TNS-00248: Unable to get information from file :string:Exiting with NR error:number

oracle

TNS-00248: Unable to get information from file :string:Exiting with NR error:number
Cause: TNSNAV.ORA poorly configured or addresses provided are already being used by another application.
Action: Check the syntax of the TNSNAV.ORA file; if necessary, assign new addresses.

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TNS-00247: Unable to allocate memory for configuration data from TNSNET.ORA file

oracle

TNS-00247: Unable to allocate memory for configuration data from TNSNET.ORA file
Cause: Navigator failed to allocate enough memory for TNSNET.ORA configuration file.
Action: Increase machine resources available for running the Interchange or remove some other running applications from the machine.

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