SAP Knowledge Base Article - Preview

3101215 - Msg 4002 (Login Failed) after password change - SAP ASE


  • After changing the password of a login (using alter login command or sp_password command), unable to login using the new password :

           isql -U<loginname> -S<servername> -P<new_password>

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

  • Same issue with login on a different client as well as from the server itself 
  • Use of double quotes around the new password does not help
  • A server restart also does not help
    We tried alter login loginname with password <caller_password> modify password <new_login_password> but didn't help



SAP Adaptive Server Enterprise 16.0


SAP Adaptive Server Enterprise 16.0


4002, login failed, ldap , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , How To

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.