SAP Knowledge Base Article - Preview

2228134 - Error 4002 "Login failed" when trying to connect to isql - SAP ASE for Business Suite and SAP BW


You are not able to connect to isql and get this error:

Msg 4002, Level 14, State 1:
Server '<SID>':
Login failed.
        ct_connect(): protocol specific layer: external error: The attempt to connect to the server failed.



  • SAP Adaptive Server Enterprise (ASE) 15.7 and 16.0 for Business Suite
  • SAP Business Warehouse (BW) - All versions


SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0 ; SAP Business Warehouse all versions


ASE, isql, sapsa, password, sapsso, "login failed", 4002, Sybase , KBA , BC-DB-SYB , SAP Business Suite on Sybase ASE Database Platform , BW-SYS-DB-SYB , BW on Sybase ASE Database Platform , Problem

About this page

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

Search for additional results

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