Note: These links point to the 2016 version, which is the latest standalone provider fully supporting ACE 12.0.
Your application’s architecture does not match the installed provider. Fix:
Download and install the Microsoft Access Database Engine 2016 Redistributable , which is more compatible with modern 64-bit Windows environments. Modern Alternative: Microsoft Access Database Engine 2016
Notes:
AccessDatabaseEngine_X64.exe /passive
To resolve the issue, you need to download and install the . Download 64-bit (x64) Driver: AccessDatabaseEngine_X64.exe Download 32-bit (x86) Driver: AccessDatabaseEngine.exe
If you already have one version installed (e.g., 64-bit Office), a standard installation of the other will fail. Use the following "passive" installation method to bypass this restriction: as an Administrator.
Run the installer normally:
Even with the correct installation, you may still encounter errors. Here is a checklist of common problems and their solutions: download microsoft.ace.oledb.12.0 provider for both 64-bit
user wants a long article on downloading the Microsoft.ACE.OLEDB.12.0 provider for both 64-bit architectures. I need to provide a comprehensive guide. To do this, I need information about the official download source, differences between 32-bit and 64-bit versions, installation instructions, common issues, and workarounds. I will follow the search plan provided in the hint. search results provide a mix of information. I need to open some of these pages to gather details. have gathered information on the 2016 version, the 2010 version, and the 2007 version. I should also search for the 2007 version for completeness. will now write a long article. The article will be structured with an introduction, background of the provider, download options for both 64-bit and 32-bit versions, installation instructions, common issues and troubleshooting, and a conclusion. I will also include code examples and a reference section. Now, I will produce the final answer. has officially removed the direct download links for the legacy Microsoft.ACE.OLEDB.12.0 provider. However, to help developers and system administrators who still require this provider for compatibility, this guide provides the official files, installation steps, and solutions for common issues like bitness mismatches.
Microsoft explicitly does not support side‑by‑side installation, and doing so may cause unexpected issues with Office applications. Use this method only in isolated test environments and with a full backup.
Note: The 2016 redistributable provides the Microsoft.ACE.OLEDB.16.0 provider by default, which is fully compatible with applications designed for the 12.0 provider. It also supports the Microsoft.ACE.OLEDB.12.0 ProgID when required for backward compatibility.
1. Locate the Official Download
| Architecture | Direct Download Link | | :--- | :--- | | | AccessDatabaseEngine_X64.exe | | 32-bit | AccessDatabaseEngine.exe |
By matching your application's build target (x64 or x86) with the corresponding forced driver installation, you can successfully bypass registration errors and ensure stable database connectivity across your environment.
Which (32-bit or 64-bit) do you currently have installed? What operating system version are you running? Share public link
If both scripts run successfully, you have successfully installed both providers. Note: These links point to the 2016 version,