Category : .Net | Author : Chtiwi Malek | First posted : 3/7/2012 | Updated : 11/27/2012
Tags : oledb, windows, jet, 32 bit, 64 bit,
64 bit version of ‘Microsoft.Jet.OLEDB.4.0’ Office 2007/2010 Jet drivers

64 bit version of ‘Microsoft.Jet.OLEDB.4.0’ Office 2007/2010 Jet drivers

When an application or a website page hosted on a 64 bit system tries to connect to a Jet driver, you can get this error:

The 'Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine.

You are getting this error because the Jet driver you have installed need 32 bit OS & system to function, Here’s how to update to a new 64-bit compatible database engine:

1/ Download the Microsoft Access Database Engine 2010 Redistributable, you can choose from the 32 bit or 64 bit version depending on your machine and install it on your server

http://www.microsoft.com/download/en/details.aspx?id=13255

2/ in your application or website code, update the connection string from “Provider=Microsoft.Jet.OLEDB.4.0; “  to  “Provider=Microsoft.ACE.OLEDB.12.0;”

3/ recompile and run your application

That’s all, but if you don’t want to use the new OLEDB you still can force the Jet OLEDB 4.0 to run on a 64 bit environment : http://www.codicode.com/art/the_microsoft_jet_oledb_4_0_prov.aspx

About the author :
Malek Chtiwi is the man behind Codicode.com
34 years old full stack developer.
Loves technology; but also likes design, photography and composing music.
Comments & Opinions :
Microsoft.Jet.OLEDB.4.0
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Microsoft.Jet.OLEDB.4.0
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- by vikash kumar on 9/26/2013
Microsoft.Jet.OLEDB.4.0
Ao tentar configurar uma conexao com um banco de dadas.mdb usando um arquivo .udl  em uma máquina usando o windows 8, não encontrei o Microsoft.Jet.OLEDB.4.0. Como eu faço pra instalar ou ativar este componente. Quero usar este provedor para conectar minha aplicação a um db.mdb na rede. Se alguem puder mim ajudar, desde já agradeço. 
- by jones quito on 8/4/2014
Microsoft.Jet.OLEDB.4.0
Sir where i can find Navigate to Server Manager > Roles > Web Server (IIS) > Internet Information Services (IIS) Manager, then right-click on your website’s Application Pool and click “Advanced Settings”: in my Laptop sir please help me thanks a lot .
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- by krapa shankar on 11/22/2014
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Thanks Malek,
Changing the provider string as you proposed to:
“Provider=Microsoft.ACE.OLEDB.12.0;” has been the solution key for me.

;)
 
- by binigausnatura on 11/27/2014
very well thx
- by mark on 2/13/2017
The microsoft.jet oledb 4.0 is not registered in local machine.
I download microsoft 2010 64 bit version. chang it as 32 bit TRUE IIS asp.net application pool.
Still it is showing Micosoft.jet.oledb 4.0 not registeered in local machine.  
- by Manikandan.A on 1/9/2015
I download microsoft 2010 64 bit version. chang it as 32 bit TRUE IIS asp.net application pool.
Still it is showing Micosoft.jet.oledb 4.0 not registeered in local machine.  
- by rolando agpaoa jr on 1/13/2016
The microsoft.jet oledb 4.0 is not registered in local machine.
Can I install both 32 bit and 64 bit version on my end?
 
- by UnoShe on 1/11/2015
The microsoft.jet oledb 4.0 is not registered inlocal machine.
Hi. My application is windows application. when it run windows 8 (64 Bit). and I can use the Microsoft access 7. The application has same error(The 'Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine.). what can i do resolve this issue?
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Please help
The 32-bit OLE DB provider "Microsoft.ACE.OLEDB.12.0" cannot be loaded in-process on a 64-bit SQL Server.
- by Akhil on 7/26/2015
I could not fix this error
The 32-bit OLE DB provider "Microsoft.ACE.OLEDB.12.0" cannot be loaded in-process on a 64-bit SQL Server.
- by Akhil on 7/26/2015
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- by Armindo on 9/2/2015
Thank you
Thank you very much Malek Chtiwi!!!!!
God Bless U!!!!!!
- by Rocky Royalson on 2/8/2016
how to sollow the microsoft jet.OLEDB 4.0
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I installed a software but it is showing the ‘Microsoft.Jet.OLEDB.4.0’ error. I'm using Windows 8, 64 bit. I installed http://www.microsoft.com/download/en/details.aspx?id=13255 But after installing and downloading i don't know who to move ahead. I don't know how to follow your second and third steps.
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- by meena damwani on 5/25/2017
The microsoft.jet oledb 4.0 is not registered in local machine.
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