While I was trying to connect to an Access Database from Visual Studio 2010 on my Windows 7 x64 server, I got the following error message,
After a detailed research on the above error message, I was able to identify that the 64-bit framework dlls werenâ€™t able to 32-bit versions of the ‘Microsoft.ACE.OLEDB.12.0‘ provider modules.
Since I was running Visual Studio on a 64-bit machine, IIS 7 is not (by default) serving 32-bit applications. However, I noticed that the database engine operated on 32-bit. I followed these steps to fix the issue:
- Open the IIS 7.5 manager and select the application pool corresponding to your web application.
- Right click the application pool and select â€˜Advanced settingsâ€™.
- Select the field â€˜Enable 32-bit applicationsâ€™ and change it to ‘true’.
- Restart your application pool and access your application to fix the error you saw.
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