IBM Support

IT49083: MQCONN RETURNS RC 2538 IF MAX ACTIVE CHANNELS ARE REACHED.

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APAR status

  • Closed as program error.

Error description

  • MQCONN returns 2538 if max active channels are reached when
    using v8.1.0.30.
    

Local fix

Problem summary

  • IT48052 regressed the expected rc on the application site
    from rc 2538 to rc 2537.
    

Problem conclusion

  • Product has been changed to report the expected rc back to the
    application.
    --------------------------------------------------------------
    The fix is targeted for delivery in maintenance level 8.1.0.35
    of IBM MQ for HPE NonStop 8.1.
    The latest available maintenance can be obtained from
    'WebSphere MQ Recommended Fixes'
    http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037
    If the maintenance level is not yet available information on
    its planned availability can be found in 'WebSphere MQ
    Planned Maintenance Release Dates'
    http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309
    --------------------------------------------------------------
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT49083

  • Reported component name

    MQ FOR HPE NS O

  • Reported component ID

    5724A3904

  • Reported release

    810

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2026-02-22

  • Closed date

    2026-02-22

  • Last modified date

    2026-02-22

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    MQ FOR HPE NS O

  • Fixed component ID

    5724A3904

Applicable component levels

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"810","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

Document Information

Modified date:
23 February 2026