SAP Knowledge Base Article - Preview

2071305 - HDB Start fails with NIECONN_REFUSED


  • On  running HDB start, the following errors are seen:
    • FAIL: Timeout
      Starting instance using: /usr/sap/<SID>/SYS/exe/hdb/sapcontrol -prot
      NI_HTTP -nr 10 -function StartWait 2700 2
      FAIL: NIECONN_REFUSED (Connection refused), NiRawConnect failed in plugin_fopen()
  • OS process list command ps -efH | grep sapstart does NOT return evidence of sapstartservice running
  • The SAPHOSTAGENT trace file contains entries similar to these:
    • [Thr 140274172008224] *** ERROR => Connection of channel 10 failed [ServerChanne 67]
    • [Thr 140274172008224] *** ERROR => Setup of too many communication channels failed. Giving up. [ServerChanne 98]
    • [Thr 140274172008224] *** ERROR => Channel Accept failed [HostExecServ 242]
    • [Thr 140274172008224] *** ERROR => Start of HostService failed
  • By executing the following command ls -lad /tmp, it can be seen that write permissions are not available for users other than root.
    • Example output: drwxr-xr-- 52 root root 20480 Timestamp /tmp

 "Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."



  • SAP HANA, platform edition


SAP HANA 1.0, platform edition ; SAP HANA, platform edition 2.0


sapstream, sapstartsrv, saphostagent, system down, HDB start , KBA , HAN-DB , SAP HANA Database , Problem

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.