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default-driver-subkey.md

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title Default Driver Subkey
description Default Driver Subkey
author David-Engel
ms.author davidengel
ms.date 01/19/2017
ms.service sql
ms.subservice connectivity
ms.topic concept-article
helpviewer_keywords
default subkey [ODBC]
registry entries for components [ODBC], default subkey
subkeys [ODBC], default subkey
drivers subkey [ODBC]

Default Driver Subkey

The Default subkey contains a single value that describes the driver used by the default data source. The format of this value is shown in the following table.

Name Data type Data
Driver REG_SZ default-driver-description

The default-driver-description name is the same as the name of the value under the ODBC Drivers subkey that describes the driver.

For example, if the default data source uses the SQL Server driver, the value under the Default subkey might be:

Driver : REG_SZ : SQL Server

Note

The default driver contained in the Default subkey can refer to either a default user DSN or a default system DSN. If both a default user DSN and a default system DSN have been created, the default driver is determined by the DSN that was created last, so it might not be a valid entry for the DSN that was created first.