SAP Knowledge Base Article - Preview

1919946 - Connection to Sybase server has been lost. Socket returned error code 0. ERRNO returned 0 - SDK for SAP ASE


  • Intermittent Windows Socket errors.
  • Message: Sybase.Data.AseClient.AseException:
    Connection to Sybase server has been lost.
    Connection died while reading from socket. Socket returned error code 0. ERRNO returned 0.
    All active transactions have been rolled back.
    at Sybase.Data.AseClient1.AseConnection.Open()
    at Sybase.Data.AseClient.AseConnection.Open()
    Category: System
    Priority: -1
    EventId: 0
    Severity: Error
    Activity ID: XXX
    Machine: xxx
    App Domain: ROOT-1-xxx
    ProcessId: processId
    Process Name: c:\windows\system32\inetsrv\w3wp.exe
    Thread Name:
    Win32 ThreadId:threadnumber
    Extended Properties:



A service that integrates a web application hosted on IIS 7 on load-balanced windows 2008 servers with a Sybase ASE 15.x database hosted on HPUX.

  • SAP Sybase Software Developer Kit (SDK) 15.7 SP110
  • Adaptive Server Enterprise ADO.NET Data Provider
    • 4.0 Provider ( Sybase.AdoNet4.AseClient.dll )
  • .Net
  • SAP Adaptive Server Enterprise (ASE) 15.7
  • IIS 7.x


SAP Adaptive Server Enterprise SDK 16.0 ; Sybase SDK 15.5 ; Sybase SDK 15.7 ; Sybase Software Developer Kit 15.7


ado,, .net, disconnect, dropped, connection, conn, drop, crash, exception, open, close, lost, died, killed, kill, initial, initialization, web server, socket, Win, windows, R2 , KBA , BC-SYB-SDK , SDK , How To

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.