3774069 - Error 1006 when executing external command called by program RSDBA_DBH_SETUP_UPDATE_CHECK

• Following error is found in SAP system log (SM21).
  Error 1006 when executing external command SAPCAR on %_TCPIP_%1
  
  
• The corresponding work process trace (dev_w*) shows:
  

  A  RFC> Called function module: SAPXPG_START_XPG_LONG
  A  RFC SERVER> RFC Server Session
  A  RFC SERVER> Caller host: 
  A  RFC SERVER> Caller transaction code:  (Caller Program: RSDBA_DBH_SETUP_UPDATE_CHECK)
  A  RFC SERVER> Called function module: SYB_JOB_UPDATE_LANDSCAPE_LIST
  L  
  L Mon Jun 28 01:21:58:728 2026
  L  SXPG: SAPXPG_START_XPG_LONG: sy-subrc: 1006 number of retries =  1
  L  SXPG: RFC error message: timeout during allocate / CPIC-CALL: 'ThSAPCMRCV', communication rc: CM_PRODUCT_SPECIFIC_ERROR (cmRc
  L  SXPG: RFC error message (cont.): =20), taskhandler rc: C_TIM
  L  SXPG: --------------------------------
  
  L Mon Jun 28 01:21:58:742 2026
  L  COMMANDNAME: SAPCAR
  L  ADDITIONAL_PARAMETERS: -tvf \\<HOST_NAME>\sapmnt\trans\tmp\0001539124_00.SA
  L  ADDITIONAL_PARAMETERS: R
  L  LONG_PARAMS:
  L  OPERATINGSYSTEM: Windows NT
  L  TARGETSYSTEM: <HOST_NAME>
  L  DESTINATION:
  L  SY-SUBRC:  902
  
  

• Job SAP SAP_DBA_DBH_SETUP_UPDATE_CHECK is executed daily, while the error happens intermittently.

• Windows operating system
• Sybase database

error 1006, sapcar, external command, sapxpg_start_xpg_long, sxpg, timeout, RSDBA_DBH_SETUP_UPDATE_CHECK, SYB_JOB_UPDATE_LANDSCAPE_LIST, SAP_DBA_DBH_SETUP_UPDATE_CHECK , KBA , BC-DB-DB6-CCM , CCMS/Database Monitors , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , Problem