---
title: "Setup DLL | Microsoft Docs"
ms.custom: ""
ms.date: "01/19/2017"
ms.prod: sql
ms.prod_service: connectivity
ms.reviewer: ""
ms.technology: connectivity
ms.topic: conceptual
helpviewer_keywords: 
  - "desktop database drivers [ODBC], setup DLL"
  - "Jet-based ODBC drivers [ODBC], setup DLL"
  - "setup DLL [ODBC]"
  - "ODBC desktop database drivers [ODBC], setup DLL"
ms.assetid: 7e036b66-2fbe-4ce2-815c-2fd03b6fce4d
author: David-Engel
ms.author: v-daenge
---
# Setup DLL
The ODBC Administrator calls the function **ConfigDSN** when users configure data sources.