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2549782 - Open Client: Client host cannot connect however other client hosts can - SDK for SAP ASE


  • Cannot connect via isql or any applications to ASE
  • Error message:
  • CT-LIBRARY error:
    ct_connect(): network packet layer: internal net library error: Net-Lib protocol driver call to connect two endpoints failed
  • Reboot Host helps for a period of time, but then fails
  • Reboot ASE doesn't help



  • SAP Sybase Software Developer Kit (SDK) 15.7
  • SAP Adaptive Server Enterprise (ASE) Software Developer Kit (SDK) 16.0
  • SAP Adaptive Server Enterprise (ASE)


SAP Adaptive Server Enterprise 12.5 ; SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0 ; SAP Adaptive Server Enterprise SDK 16.0 ; Sybase SDK 12.5 ; Sybase SDK 15.0 ; Sybase SDK 15.5 ; Sybase SDK 15.7 ; Sybase Software Developer Kit 15.7


Cannot, can't, connect, conn, application, app, fail, two endpoint, point, end, fail, failed, wrong, incorrectly, some, reboot, , KBA , BC-SYB-SDK , SDK , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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