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Editorial Team
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Asked: 2026-06-05T22:59:25+00:00

I am working in Windows Application. I am reading a value from Excel and

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I am working in Windows Application. I am reading a value from Excel and updating into the database.
My code is

 string Con_Str = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + filepath +
                         ";Extended Properties=\"Excel 8.0;HDR=Yes;IMEX=1\";";

Its working fine in my local and i am having 32 Bit Machine. I ran the exe in Server which is 64 Bit Machine. There i am getting the error like 

The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine.

I had downloaded the latest from this link..

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

Still i am getting the Issue. How to fix this..

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1 Answer

  1. Editorial Team

    You are using Microsoft.ACE.OLEDB.12.0; (ADE for short). This means that you need to install the appropriate bits on your target machine. This is complicated by the Architecture choosen when you build your application.

    You build for AnyCPU:

    Install ADE 32bit on 32bit target machine
Install ADE 64bit on 64bit target machine

    You build for x86

    Install ADE 32bit on 32bit or 64bit target machine.

    As you can see, the easiest way to get out is to compile your application for x86 architecture.

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