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PH70723: VALIDATION ERROR WAS DISPLAYED ON THE SUBSYSTEM REGISTRATION PAGE DURING DATA SHARING GROUP REGISTRATION.

A fix is available

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APAR status

  • Closed as program error.

Error description

  • A data mapping and validation issue was identified in how system
    identifiers were handled for Db2 Data Sharing Groups. The
    identifier was incorrectly derived from the Data Sharing Group
    name instead of the individual member attach names, resulting in
    invalid values being used.
    In addition, this issue was not consistently detected because
    identifier validation was conditionally enforced based on the
    deployment mode. As a result, errors were allowed to pass in CI
    environments but were blocked in CD environments.
    Based on feedback from SMEs, the logic has been updated to
    ensure accuracy and consistency. The system identifier is now
    sourced from the correct member-level attach name for Data
    Sharing Groups, and validation is applied uniformly across all
    deployment types without conditional exceptions.
    

Local fix

  • N/A
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: Users of the IBM Unified Management Server   *
    *                 for z/OS and the following experiences:      *
    *                 - Db2 DevOps Experience for z/OS             *
    *                 - Db2 Administration Foundation for z/OS     *
    ****************************************************************
    * PROBLEM DESCRIPTION: Can't add or update subsystems after    *
    *                                                              *
    *                      upgrade                                 *
    ****************************************************************
    A data mapping and validation issue was identified
    
    in how system identifiers were handled for Db2 Data Sharing
    Groups. The identifier was incorrectly derived from the
    Data Sharing Group name instead of the individual member attach
    names, resulting in invalid values  being used.
    In addition, this issue was not consistently detected because
    identifier validation was conditionally enforced based on the
    deployment mode. As a result, errors were allowed to pass in CI
    environments but were blocked in CD environments.
    

Problem conclusion

  • Apply the PTF provided by this APAR
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH70723

  • Reported component name

    UNIFIED MGMT SV

  • Reported component ID

    5698UM100

  • Reported release

    120

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2026-03-30

  • Closed date

    2026-06-08

  • Last modified date

    2026-06-09

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

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

    UO08139

Modules/Macros

  • IZPDB2SD IZPDISCP IZPHLOSD IZPIMSSD IZPMNFST IZPSERVE IZPSYSSD
    IZPUI
    

Fix information

  • Fixed component name

    UNIFIED MGMT SV

  • Fixed component ID

    5698UM100

Applicable component levels

  • R120 PSY UO08139

       UP26/06/09 I 1000

Fix is available

  • Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.

[{"Business Unit":{"code":"BU011","label":"Systems - zSystems software"},"Product":{"code":"SG19M"},"Platform":[{"code":"PF054","label":"z Systems"}],"Version":"120"}]

Document Information

Modified date:
09 June 2026