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2631116 - CST - Enqueue Server status: Running but not responding

Symptom

  • In the MMC or SAP MMC console the Enqueue server is in Yellow status with message "Running but not responding"
     
  • Running  "sapcontrol -nr <ASCS/SCSinstance nr> -function GetProcessList"  the result is:

    GetProcessList
    OK
    name, description, dispstatus, textstatus, starttime, elapsedtime, pid
    msg_server.EXE, MessageServer, GREEN, Running, yyyy mm dd hh:mm:ss, 123   
    enserver.EXE, EnqueueServer, YELLOW, Running but not responding, yyyy mm dd hh:mm:ss, 456  
    gwrd.EXE, Gateway, GREEN, Running, yyyy mm dd hh:mm:ss, 789


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Environment

  • SAP NetWeaver 7.4
  • SAP NetWeaver 7.5
  • SAP NetWeaver Application Server 7.51 for SAP S/4HANA 1610 (SAP_BASIS 7.51)
  • SAP NetWeaver Application Server for ABAP 7.52 for SAP S/4HANA (SAP_BASIS 7.52)
  • ABAP PLATFORM 1809 - Application Server ABAP (SAP_BASIS 7.53)
  • ABAP PLATFORM 1909 - Application Server ABAP (SAP_BASIS 7.54)
  • ABAP PLATFORM 2020 - Application Server ABAP (SAP_BASIS 7.55)
  • ABAP PLATFORM 2021 - Application Server ABAP (SAP_BASIS 7.56)

Product

ABAP platform 1809 ; ABAP platform 1909 ; ABAP platform 2020 ; ABAP platform 2021 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP NetWeaver Application Server 7.51 for SAP S/4HANA 1610 ; SAP NetWeaver Application Server for ABAP 7.52 for SAP S/4HANA

Keywords

CST, client server technology, kernel, application server, instance, enserver, not responding, EnqueueServer, YELLOW, Running but not responding, ASCS/SCS, cleanipc, dev_enqwork, , KBA , BC-CST-EQ , Enqueue , Problem

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