--- description: "SQL Server Native Client Error MSSQLSERVER_50000" title: "MSSQLSERVER_50000 | Microsoft Docs" ms.custom: "" ms.date: "03/14/2017" ms.prod: sql ms.reviewer: "" ms.technology: native-client ms.topic: "reference" helpviewer_keywords: - "50000 [SQL Server Native Client setup error]" ms.assetid: 5426d87a-d5d9-4984-b211-b07d69e834a2 author: markingmyname ms.author: maghan monikerRange: ">=aps-pdw-2016||=azuresqldb-current||=azure-sqldw-latest||>=sql-server-2016||>=sql-server-linux-2017||=azuresqldb-mi-current" --- # SQL Server Native Client Error MSSQLSERVER_50000 [!INCLUDE[SQL Server Azure SQL Database Synapse Analytics PDW ](../../includes/applies-to-version/sql-asdb-asdbmi-asa-pdw.md)] ## Details | Attribute | Value | | --------- | ----- | |Product Name|SQL Server| |Product Version|11.0| |Event ID|50000| |Event Source|SETUP| |Component|[!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] Native Client| |Symbolic Name|| |Message Text|A network error occurred while attempting to read from the file '%.*ls'.| ## Explanation An attempt was made to install (or update) [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] Native Client on a computer where [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] Native Client is already installed, and where the existing installation was from an MSI file that was renamed from sqlncli.msi. ## User Action To resolve this error, uninstall the existing version of [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] Native Client. To prevent this error, do not install [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] Native Client from an MSI file that is not named sqlncli.msi. ## Internal-Only