z/OS Communications Server: SNA Diagnosis Vol 1, Techniques and Procedures
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Initial TSO/VTAM problem analysis

z/OS Communications Server: SNA Diagnosis Vol 1, Techniques and Procedures
GC27-3667-00

To use this chapter, start below and follow the steps.

  1. Are you receiving one or more of the following messages?
    • USS message 7 ‘LU-name UNABLE TO ESTABLISH SESSION — RU-name FAILED WITH SENSE sense’, or similar USS message
    • USS message 10 (the user-defined logon message)
    • Message IKT029I or IKT028I at the operator's console
    • Message IKJ608I at the operator's console. See Table 1 to determine what document describes message IKJ608I.

    If so, go to Logon problems.

  2. Have you encountered one of the following abends?
    • ABEND0AB
    • ABEND0AC
    • ABEND0AD
    • ABEND15D

    If so, go to TSO/VTAM abends.

  3. Are you having parameter initialization problems?
    • Message IKT013I or IKT014I at the operator's console.
    • Initialization parameters have not been used.

    If so, go to Parameter initialization problems.

  4. Do you have a hung terminal?
    • The terminal does not respond to any keys you press.
    • You must enter data from the terminal before processing will continue (in a situation where output is expected).

    If so, go to Hung terminal problems.

  5. Are you having one or more of the following screen management problems?
    • Data is in the wrong place on the screen.
    • Data stream errors occur (such as operation checks, commands are rejected, PROGxxx).
    • Function errors occur (such as incorrect full-screen processing or incorrect line prompting in input mode of TSO EDIT).
    • Data length is incorrect.
    • Data content is incorrect.

    If so, go to Screen management problems.

  6. Are you having one or more of the following screen size problems?
    • The terminal does not operate in the expected screen size after logon.
    • The screen is not always the expected size during a TSO session.

    If so, go to Screen size problems.

  7. Are you having one or more of the following performance problems?
    • Slow response time
    • An increase in the number of detected waits
    • An increase in the number of swap-outs

    If so, go to Performance problems.

If your problem is not listed in the steps above, it is probably not a TSO/VTAM problem. Go back to Collecting documentation for specific types of problems and look for a more likely problem symptom. If you cannot find a more likely symptom, go to Reporting the problem to IBM.

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