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2635464 - Mainframe Connect Error:SYBASE LISTENER SY01 SYBTP13 - NOT A RECOGNIZED SYBASE CLIENT

Symptom

  • DirectConnect clients receive TCP timeout errors (Resets)
  • DirectCconnect logs show these messages:
    LogNotice    04/23/2018 14:15:39.644    <dc_mfc_svcenm>    1115    E944895        NETWORK ERROR: SYBTCP ERROR INFO:,
            Request(Connect),SubFunc(Failed), Request(Connect),SubFunc(Failed), SYBTCP RetCode(1) Description(SYBTCP_FAIL),
            TCP API RetCode (10060) Description(WSAE TIMEDOUT) errmsg[Win NT system call sybtcp_connect(connect),
            error num 10060, tranaction <AMD2>, region name <CICSNM>, host name <MF_host_name>, port num #### ]
    LogClientMessages    04/23/2018 14:15:39.644    pclmgw01    1115    E944895        Error: 30261 Severity: 10
            TCPIP Network Error: { [NOTCONNECTED] Lost connection to database, , Request(Connect),SubFunc(Failed),
            SYBTCP RetCode(1) Description(SYBTCP_FAIL), TCP API RetCode (10060) Description(WSAE TIMEDOUT) }
            <HostName=<MF_hostnm>, <PortNumber=####>, <Region Name=<CICSNM>, <TPName=AMD2>
    LogClientMessages    04/23/2018 14:15:39.644    <dc_srvrnm>   NULL    NULL    NULL    Error: 30000 Severity: 16 Login failure. <SMR>
    LogClientLogin       04/23/2018 14:15:39.644    <dc_mfc_svcenm>    1115    E944895        ...Connection refused by service library 'DB2'.

  • CICS Message User log (CSML) Shows:
     shows:SYBTP13 - NOT A RECOGNIZED SYBASE CLIENT
    SYBTP17 – MAX SOCKETS – 5 SECOND DELAY.

                

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Environment

  • DirectConnect 15.0.1 B INTEL x386 Windows NT 
  • Mainframe Connect for Server Option for CICS

Product

Sybase MainframeConnect 15.0

Keywords

MFC OSC SYBTP13 SYBTP17 , KBA , BC-SYB-MFC , Mainframe Connect (MFC) , Problem

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