3659565 - Error 18456 Login failed for External SQL DB connection

Symptom

Following error message shows up when connecting the external SQL Server by DBCO:

18456 Login failed for user 'user_name'. Reason: Failed to open the database 'Databa_name' specified in the login properties. [CLIENT: <local machine >]

Environment

- SAP S/4HANA 2022

- SQL Server "Standard Edition"

Product

SAP S/4HANA 2022

Keywords

SQL Server connection error, login failed, 18456, DBCO, SOLMAN, port number mismatch , KBA , BC-DB-MSS , SQL Server in SAP NetWeaver Products , Problem

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