Download Microsoft® ODBC Driver 11 for SQL Server® - Windows from Official Microsoft Download Center
![SQL SERVER - Unable to Start SQL Server Agent. Error - Driver's SQLAllocHandle on SQL_HANDLE_ENV failed - SQL Authority with Pinal Dave SQL SERVER - Unable to Start SQL Server Agent. Error - Driver's SQLAllocHandle on SQL_HANDLE_ENV failed - SQL Authority with Pinal Dave](https://blog.sqlauthority.com/wp-content/uploads/2018/02/sqlagt-sqlncli-01-800x571.jpg)
SQL SERVER - Unable to Start SQL Server Agent. Error - Driver's SQLAllocHandle on SQL_HANDLE_ENV failed - SQL Authority with Pinal Dave
![Connect to an ODBC Data Source (SQL Server Import and Export Wizard) - SQL Server Integration Services (SSIS) | Microsoft Docs Connect to an ODBC Data Source (SQL Server Import and Export Wizard) - SQL Server Integration Services (SSIS) | Microsoft Docs](https://docs.microsoft.com/en-us/sql/integration-services/import-export-data/media/installed-64-bit-odbc-drivers.png?view=sql-server-ver15)
Connect to an ODBC Data Source (SQL Server Import and Export Wizard) - SQL Server Integration Services (SSIS) | Microsoft Docs
![Microsoft ODBC Driver 11 for SQL Server: Named Pipes Provider: Could not open a connection to SQL Server - Database Administrators Stack Exchange Microsoft ODBC Driver 11 for SQL Server: Named Pipes Provider: Could not open a connection to SQL Server - Database Administrators Stack Exchange](https://i.stack.imgur.com/GZ9dN.png)
Microsoft ODBC Driver 11 for SQL Server: Named Pipes Provider: Could not open a connection to SQL Server - Database Administrators Stack Exchange
![Microsoft ODBC Driver 11 for SQL Server: Named Pipes Provider: Could not open a connection to SQL Server - Database Administrators Stack Exchange Microsoft ODBC Driver 11 for SQL Server: Named Pipes Provider: Could not open a connection to SQL Server - Database Administrators Stack Exchange](https://i.stack.imgur.com/cLNR8.png)
Microsoft ODBC Driver 11 for SQL Server: Named Pipes Provider: Could not open a connection to SQL Server - Database Administrators Stack Exchange
Connection to MS SQL Server 2014 using ODBC Driver 11 for SQL Server fails with errors. - Progress Community
![Microsoft ODBC Driver 11 for SQL Server: Named Pipes Provider: Could not open a connection to SQL Server - Database Administrators Stack Exchange Microsoft ODBC Driver 11 for SQL Server: Named Pipes Provider: Could not open a connection to SQL Server - Database Administrators Stack Exchange](https://i.stack.imgur.com/owRVU.png)