SAP Knowledge Base Article - Preview

3434106 - Error in log: Login failed for user ' '. Reason: Attempting to use an NT account name with SQL Server Authentication.

Symptom

DBCO connection to remote SQL Server from an SAP application server based on Linux fails due to the login error:

sql error 18456 occured:

Login failed for user 'XXXX\XXXX'. 

In the ERRORLOG of remote SQL Server, the login error in details is as belows:

Error in log: Login failed for user 'XXXX\XXXX'. Reason: Attempting to use an NT account name with SQL Server Authentication.You can't use domain user as a SQL login


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Environment

Netweaver based SAP application servers

Microsoft SQL Server 

Product

SAP S/4HANA Foundation 2022

Keywords

Windows authentication, Redhat, SUSE,  Connection 0 failed   , KBA , BC-DB-MSS , SQL Server in SAP NetWeaver Products , Problem

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