Once you have installed the correct ACE provider (matching your application's bitness), you must change the "Provider" part of your connection string:
: Starting with Windows 2000, the Jet 4.0 engine became a core component of the Windows operating system.
It is a 32-bit technology built on top of the Microsoft Jet database engine (version 4.0). For nearly a decade, it was the standard way for developers using Visual Basic, ASP (Classic ASP), C++, and even early .NET applications to interact with desktop databases without installing the full Microsoft Office suite.
Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\mydatabase.mdb;User Id=admin;Password=; Use code with caution. Connecting to Microsoft Excel (.xls) download microsoft jet oledb 4.0
Right-click your project in the Solution Explorer and select . Navigate to the Build tab. Locate the Platform target dropdown. Change it from Any CPU or x64 to x86 . Save and recompile your application.
What is the of the data source you are trying to read? Share public link
If you developed the application yourself in Visual Studio, you must force the application to run in 32-bit mode. Open your project in . Once you have installed the correct ACE provider
Microsoft Jet OLEDB 4.0, also known as the Microsoft Access Jet OLE DB Provider, is a data access technology developed by Microsoft. It allows applications to access data stored in various database formats, most notably Microsoft Access databases (.mdb, .accdb). The Jet database engine, which underpins this technology, facilitates the manipulation and retrieval of data from databases.
"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\myFolder\myOldDatabase.mdb;Persist Security Info=False;"
This article provides a complete guide to downloading, installing, and fixing Microsoft Jet OLEDB 4.0, along with modern alternatives. 1. What is Microsoft Jet OLEDB 4.0? Provider=Microsoft
Given the evolving nature of technology, there are alternatives to Microsoft Jet OLEDB 4.0:
Let us say your legacy VB script has:
If you are a developer working with older Access databases ( .mdb ) or Excel files, you’ve likely run into the infamous error: "The 'Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine."
