This is due to the strict security defaults introduced in version 18. If your SQL Server uses a self-signed certificate, you must either install that certificate on the client machine or add TrustServerCertificate=True; to your application's connection string.
Yes. Driver 18 connects to SQL Server 2008 R2 and later, but some features (like Always Encrypted) require newer server versions.
Once installed, you can reference the driver in your connection strings.
For 32-bit Windows operating systems or 32-bit legacy applications. download microsoft ole db driver for sql server 18
Alternatively, you can use the exact uninstall command for the version you have, as provided by official examples for prior versions.
The Microsoft OLE DB Driver for SQL Server 18 is required for applications that rely on OLE DB connectivity to access SQL Server databases. This driver provides a high-performance interface for data access, enabling applications to execute queries, retrieve data, and perform database operations efficiently. The driver supports various SQL Server features, including encryption, compression, and asynchronous operations.
Full support for Windows 10, Windows 11, and Windows Server 2016–2022. Download Microsoft OLE DB Driver 18 for SQL Server This is due to the strict security defaults
| Feature | Description | Available In | |---|---|---| | | Supports password-based, integrated, and access token-based authentication with Microsoft Entra ID (formerly Azure AD) | 18.2.1 | | Federated Identity Support | Enables connections to Azure SQL Database using federated identities | 18.2.1 | | SQL Data Discovery and Classification | Provides ability to work with classified data columns | 18.5 | | Always Encrypted | Supports Always Encrypted for protecting sensitive data | 18.x | | TLS 1.2 Support | Ensures secure, modern encrypted connections | 18.x | | Multiple Active Result Sets (MARS) | Allows multiple active result sets over a single connection | 18.x | | User-Defined Types (UDT) | Supports SQL Server user-defined data types | 18.x | | Snapshot Isolation | Provides support for snapshot isolation levels | 18.x | | XML Data Type Support | Enables working with XML data type columns | 18.x |
: Integrates tightly with Microsoft-centric application designs like COM, ADO, and SQL Server Integration Services (SSIS). It offers native code optimization, broad database engine feature support, and higher general access versatility.
With the sunsetting of older technologies like SQL Server Native Client, Microsoft has pushed forward with a modern, standalone OLE DB driver. The latest stable version in the v18 family—often referred to as version 18.7 or 18.6.x—is the gold standard for new development. Driver 18 connects to SQL Server 2008 R2
Are you looking to connect your application to a SQL Server database using the Microsoft OLE DB Driver for SQL Server 18? Look no further! In this article, we will provide a step-by-step guide on how to download and install the Microsoft OLE DB Driver for SQL Server 18, as well as troubleshoot common issues that may arise during the process.
Applications require an optimized, secure data layer to communicate effectively with SQL Server databases. The provides this core infrastructure, delivering modern features, multi-subnet failover routing, and modern security protocols.