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PH70410: Messages about unknown/improper ICMs may be issued during normal subscription termination.

A fix is available

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APAR status

  • Closed as program error.

Error description

  • During normal ending of a subscription the following error
    messages could appear in the SPOOLed output:
    CHC9690E: "Unexpected ICM Request received by DTC"
    CHC9691E: "Unexpected ICM Reply received by TDT"
    CHC9695W: "ITCPUTIQ Request has failed. Return Code is 8"
    This does not negatively affect the replication that was
    ongoing, and the subscription ends without other issues.
    

Local fix

  • No local fix is available.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: Users of IIDR cdc for DB2 for z/OS who have  *
    *                 target-sides of subscriptions in the z/OS    *
    *                 address space.                               *
    ****************************************************************
    * PROBLEM DESCRIPTION: During normal ending of a subscription  *
    *                      the following error. Messages could     *
    *                      appear in the SPOOLed output:           *
    *                      CHC9690E: "Unexpected ICM Request       *
    *                      received by DTC"                        *
    *                      CHC9691E: "Unexpected ICM Reply         *
    *                      received by TDT"                        *
    *                      CHC9695W: "ITCPUTIQ Request has failed. *
    *                      Return Code is 8"                       *
    *                      This does not negatively affect the     *
    *                      replication that was ongoing, and the   *
    *                      subscription ends  without other        *
    *                      issues.                                 *
    ****************************************************************
    During normal subscription shutdown, some error messages may
    appear in the spool, but replication is not affected.
    

Problem conclusion

  • The condition that caused these messages has been rectified.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH70410

  • Reported component name

    INFO SRVR CDC Z

  • Reported component ID

    5655U7600

  • Reported release

    A21

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2026-03-05

  • Closed date

    2026-03-12

  • Last modified date

    2026-04-02

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

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

    UO07131

Modules/Macros

  • CHCDTCPF CHCTDTIQ
    

Fix information

  • Fixed component name

    INFO SRVR CDC Z

  • Fixed component ID

    5655U7600

Applicable component levels

  • RA21 PSY UO07131

       UP26/03/20 P F603

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":"BU048","label":"IBM Software"},"Product":{"code":"SSTVMA","label":"InfoSphere Data Replication for DB2 for z\/OS"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"10.2.1","Line of Business":{"code":"LOB76","label":"Data Platform"}}]

Document Information

Modified date:
02 April 2026