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3738177 - DB6: SQL30081N Reason code 110 during S/4 conversion

Symptom

  • During S/4 HANA conversion to RISE with SAP using SUM (DMO method), database connections intermittently fail with following error:

    SQL30081N A communication error has been detected. Communication protocol: "TCP/IP".
    Communication API: "SOCKETS". Communication function: "connect". rc=110, SQLSTATE=08001.

  • The error occurs in multiple SUM phases:
    • PREP_SPACECALC/TABSPC_PREP
    • MAIN_SHDRUN/SUBMOD_DIFFEXP/DIFFEXPDDIC_CGR
    • MAIN_SHDRUN/SUBMOD_MIG_SMIGR/EU_CLONE_SMIGR_COUNT
    • MAIN_SHDIMP/DMPSPC_LAST
    • MAIN_SWITCH/SUBMOD_MIG_SWITCH_ORG/SUBMOD_MIG_DOWNTIME_RUN/EU_CLONE_MIG_DT_RUN

  • Repeating the affected phase may allow it to complete successfully, but the error can recur in later phases.


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Environment

  • SAP on IBM Db2 for Linux, Unix and Windows

Keywords

sql30081n, rc110, tcp/ip communication, communication error, sockets, connect timeout, network timeout, keepalive settings , KBA , BC-DB-DB6 , DB2 Universal Database for Unix / NT , Problem

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