The Microsoft SQL Server Native Client 10.0 was originally released as part of the SQL Server 2008 Feature Pack. Official Download Sources
Microsoft Download Center: You can download the individual sqlncli.msi installer as part of the Microsoft SQL Server 2008 R2 SP3 Feature Pack.
TLS 1.2 Updated Version: For environments requiring modern security protocols, Microsoft provides updated versions of the 10.0 driver that support TLS 1.2 for SQL Server 2008 and 2008 R2.
ConnectionStrings.com: This resource provides direct links to various versions of the SQL Server Native Client 10.0 and includes connection string examples. Driver Details
Filename: sqlncli.msi (The driver file itself is sqlncli10.dll).
Architectures: Available in x86 (32-bit), x64 (64-bit), and IA64 (Itanium).
Connection String: Use Driver=SQL Server Native Client 10.0 to specify this driver in your applications. Usage & Deprecation Note
Microsoft has deprecated the SQL Server Native Client (SNAC). For new development or connecting to modern SQL Server versions (2012 and later), Microsoft recommends using:
The Microsoft SQL Server Native Client 10.0 ODBC driver (SNAC 10) is no longer available as a standalone product but is distributed as part of the SQL Server 2008 R2 Feature Pack. While the Native Client series is deprecated, it remains functional for legacy applications connecting to SQL Server 7.0 through SQL Server 2022. Official Download Sources
To obtain the sqlncli.msi installer for version 10.0, use the official Microsoft Feature Packs:
Microsoft SQL Server 2008 R2 SP3 Feature Pack: Recommended for the most stable legacy release.
Microsoft SQL Server 2008 SP4 Feature Pack: An alternative version for systems specifically requiring Service Pack 4 components.
TLS 1.2 Support Update: Crucial for connecting to modern servers that require secure transport (TLS 1.2), as older versions may fail to connect. Installation Steps
Select the Architecture: When prompted at the download link, choose x64\sqlncli.msi for 64-bit Windows or x86\sqlncli.msi for 32-bit systems.
Run the Installer: Double-click the MSI file and follow the wizard to register the sqlncli10.dll on your system. Verify the Driver: microsoft sql server native client 10.0 odbc driver download
Open the ODBC Data Source Administrator (search "ODBC" in the Start menu).
Navigate to the Drivers tab and ensure SQL Server Native Client 10.0 is listed. Connection String Usage
If you are developing or configuring an application, use the following driver name in your connection string:Driver=SQL Server Native Client 10.0;Server=myServerAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword;
Note on Modern Alternatives: For new development, Microsoft recommends the Microsoft ODBC Driver for SQL Server (currently version 18), which supports the latest security features and Azure SQL.
The Microsoft SQL Server Native Client 10.0 ODBC driver (often referred to as SNAC 10) is a legacy data access technology designed to bridge the gap between native Windows applications and SQL Server 2008. While newer drivers have since superseded it, it remains a critical component for maintaining older enterprise systems. Historical Context and Purpose
Introduced with SQL Server 2008, the Native Client 10.0 was a significant evolution in Microsoft's data access strategy. It combined the SQL OLE DB provider and the SQL ODBC driver into a single dynamic-link library (DLL), sqlncli10.dll.
Its primary purpose was to provide support for features that the standard Windows Data Access Components (MDAC) could not handle, such as:
New Data Types: Support for date, time, datetime2, and datetimeoffset types introduced in 2008.
Advanced Features: Enhanced performance for XML data types, User-Defined Types (UDT), and Multiple Active Result Sets (MARS). Compliance: Adherence to the ODBC 3.51 specification. Installing - SQL Server Native Client - Microsoft Learn
The Microsoft SQL Server Native Client 10.0 ODBC driver is a legacy data access technology originally released with SQL Server 2008. It is primarily used by older applications to connect to SQL Server versions ranging from 7.0 to 2008 R2. Download and Official Sources
Microsoft no longer provides a standalone "Native Client 10.0" landing page, as the driver is now distributed as part of legacy "Feature Packs".
SQL Server 2008 R2 SP3 Feature Pack: This is the most reliable official source for the version 10.0 (specifically 10.50.x) driver. You can find the installer, sqlncli.msi, on the Microsoft SQL Server 2008 R2 SP3 Feature Pack page.
TLS 1.2 Support Update: If your application requires secure connections via TLS 1.2, you must download the specific security update for Native Client 10.0 from the Microsoft Download Center. Installation Instructions
Identify Architecture: Determine if you need the x86 (32-bit) or x64 (64-bit) version. For 64-bit operating systems, the x64 package is recommended as it typically includes both 32-bit and 64-bit drivers. The Microsoft SQL Server Native Client 10
Prerequisites: Ensure the Microsoft Visual C++ Redistributable is installed, as it is a standard requirement for SQL ODBC drivers.
Run Installer: Execute sqlncli.msi and follow the setup wizard. This process automatically registers the ODBC driver and OLE DB provider in your system registry. Critical Lifecycle Warning Microsoft® SQL Server® 2008 R2 SP3 Feature Pack
Microsoft SQL Server Native Client 10.0 ODBC Driver Download Guide
The Microsoft SQL Server Native Client 10.0 (SNAC 10.0) is a critical data access technology that provides a single dynamic-link library (DLL) containing both the SQL ODBC driver and the SQL OLE DB provider. Released alongside SQL Server 2008, this driver was designed to bridge the gap between native-code applications (C/C++) and the advanced features of SQL Server.
While Microsoft now recommends modern ODBC drivers for new development, many legacy systems still require the specific 10.0 version to maintain compatibility with older software and database instances. Key Features of SQL Server Native Client 10.0
Native Client 10.0 was a significant evolution from the older MDAC components. It enabled several features that were then-new to SQL Server:
Backward Compatibility: Supports connections to SQL Server 2000, 2005, 2008, and 2008 R2.
Modern Data Types: Unlike older "generic" drivers, it correctly recognizes newer SQL types like date and time, which were introduced in SQL Server 2008.
Advanced Features: Provides support for Multiple Active Result Sets (MARS), query notifications, and XML data types.
High Performance: Uses a native COM API to access the SQL Server Tabular Data Stream (TDS) protocol directly. Where to Download the Driver
Microsoft no longer offers a standalone landing page for "Native Client 10.0." Instead, it is distributed as part of the Microsoft SQL Server 2008 Feature Pack.
Official Source: Visit the Microsoft Download Center or search for the "SQL Server 2008 Feature Pack".
File Name: Look for sqlncli.msi. Depending on your system architecture, you will need the x86 (32-bit) or x64 (64-bit) version.
Third-Party References: Websites like ConnectionStrings.com provide direct links to archived Microsoft installer files if the primary Feature Pack pages are difficult to navigate. Installation and Configuration Note: There is also a SQL Server 2008
Once downloaded, the installation is straightforward. The MSI installer handles all registry settings for the ODBC driver automatically. How to Verify Installation To confirm the driver is active:
Support Policies - SQL Server Native Client - Microsoft Learn
Microsoft no longer hosts this file on their main download center, but it is available through the Microsoft Download Center archival system.
Filename: sqlncli.msi (for the installation package) or sqlncli_x64.msi / sqlncli_x86.msi for architecture-specific installers.
The official package is part of the Microsoft SQL Server 2008 Feature Pack. You can find it by searching the Microsoft Download Center for "SQL Server 2008 Feature Pack" or using the direct link (which changes, so search is safer).
It is highly recommended to download the SQL Server 2008 Native Client with Service Pack 4 (SP4) . SP4 includes all critical security updates and stability fixes. The SP4 version is the most stable and secure release of the 10.0 client.
Look for: "Microsoft SQL Server 2008 R2 SP4 Feature Pack" – this includes Native Client 10.0.
Note: There is also a SQL Server 2008 R2 Native Client (version 10.50). While similar, it has a different version number. If your application specifically requires 10.0 (without R2), stick with the base SQL Server 2008 version.
Once you have downloaded the correct installer, follow these steps to install the driver.
C:\Windows\System32\odbcad32.exeC:\Windows\SysWOW64\odbcad32.exeBecause this software is retired, it is no longer featured on the main Microsoft Driver download pages. It must be downloaded via the Microsoft SQL Server 2008 Feature Pack.
Direct Download Source: You can find the installers inside the "Microsoft SQL Server 2008 Feature Pack" page on the Microsoft Download Center.
Specific Files to Look For: On that page, scroll down to the "Instructions" section or the file list. You generally need to download the package specific to your system architecture:
sqlncli.msi (64-bit)sqlncli.msi (32-bit)Note: You must download the correct bitness (32-bit vs 64-bit) for the application that needs the driver, not necessarily the operating system.
Open ODBC Data Source Administrator:
C:\Windows\SysWOW64\odbcad32.exeC:\Windows\System32\odbcad32.exeGo to Drivers tab → Look for SQL Server Native Client 10.0.
![ODBC Driver List](example: "SQL Server Native Client 10.0" entry exists)