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FAQ: How do I connect to a 32-bit SQL Server instance with ODBC in my 64-bit Windows OS?

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Question

 I want to connect to a 32-bit SQL Server using ODBC. And I use ODBC Data Source Administrator from Control Panel to create a DSN, however the connection always fails. This issue does not happen on a 32-bit Windows OS.

 

Answer

For a 64-bit version of Windows OS, the ODBC Administrator utility Odbcad32.exe (in Control Panel\Administrative Tools) is 64-bit. To create a 32-bit DSN, you need to use the 32-bit Odbcad32.exe. You can find it in the %systemdrive%\Windows\SysWoW64 folder.

 

More Information

https://support.microsoft.com/kb/942976

 

Applies to

 SQL Server 2000

SQL Server 2005

SQL Server 2008

SQL Server 2008 R2