SAP Knowledge Base Article - Preview

3476389 - LNX: MSSQL DB connection from RHEL fails with ssl_choose_client_version:unsupported protocol

Symptom

Connection to external MSSQL database from RHEL 8 fails with ssl_choose_client_version:unsupported protocol error:

Sqlcmd: Error: Microsoft ODBC Driver 17 for SQL Server : SSL Provider: [error:1425F102:SSL routines:ssl_choose_client_version:unsupported protocol].
Sqlcmd: Error: Microsoft ODBC Driver 17 for SQL Server : Client unable to establish connection.


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Environment

Red Hat Enterprise Linux 8

MS SQL server as external connection

Product

SAP NetWeaver all versions ; SAP S/4HANA all versions

Keywords

MS SQL, SQL, TLS, TLS 1.0, TLS 1.2, msodbc, RHEL, Red Hat, SSL Provider: [error:141A318A:SSL routines:tls_process_ske_dhe:dh key too small]  , KBA , BC-OP-LNX-RH , Red Hat Linux , BC-DB-MSS , SQL Server in SAP NetWeaver Products , Problem

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