How to regisgter Microsoft.ACE.OLEDB,12.0

Question

I purchased Visual Studio 2022 Pro and I'm unable to access databases through the ACE.OLEDB.12.0 provider. I've already reinstalled Database Engine and the error below persists:

The provider 'Microsoft.ACE.OLEDB.12.0' is not registered on the local machine. I've tried several methods using tutorials and FAQs but haven't been able to resolve it. I believe this should have worked when I installed Visual Studio.

Thank you.

Manoel Ricardo

<PII removed>

Answer 1

To resolve the issue with the 'Microsoft.ACE.OLEDB.12.0' provider not being registered on your local machine, you can follow these steps:

1. Check Installed Drivers: Ensure that you have the correct version of the Microsoft Access Database Engine installed. You can verify this by going to the ODBC Data Source Administrator (64-bit) and checking the Drivers tab. Look for "Microsoft Access Driver" in the list.
2. Install the 64-bit Driver: If the driver is not installed, download and install the 64-bit version of the Microsoft Access Database Engine from the Microsoft website. This is necessary if you are using a 64-bit version of Visual Studio 2022.
3. Bitness Compatibility: Make sure that the bitness (32-bit or 64-bit) of your Visual Studio installation matches the bitness of the Access Database Engine. If you have a 32-bit version of Office installed, you may need to use Visual Studio 2019 or earlier, as Visual Studio 2022 is a 64-bit process.
4. Reinstall Drivers: If you have both 32-bit and 64-bit versions of Office, you may need to uninstall all existing Access drivers, clean the registry, and reinstall the drivers to ensure they coexist properly. Follow the steps outlined in the troubleshooting documentation to do this.
5. Check Project Settings: In your Visual Studio project, ensure that you are not set to "Prefer 32-bit" if you are using the 64-bit version of the Access Database Engine. You can check this in the project properties under the Build tab.

By following these steps, you should be able to register the 'Microsoft.ACE.OLEDB.12.0' provider successfully and access your databases without further issues.

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References:

• Can't establish a connection to Access Database Engine OLE DB
• Access database

Answer 2

The solution worked perfectly.

Thank you very much.

I am really happy