AutoCAD Electrical 2021+ requires the version. If you have 32-bit Office, you may need to use the /quiet command mentioned above to bypass the block. Recurring Error Popup
This article provides a comprehensive guide on understanding, downloading, and installing the aceredist.msi (specifically the ) to resolve these issues efficiently.
C:\Autodesk\AutoCAD_Electrical_20xx\3rdParty\x64\AceDataEngine\AceRedist.msi Manual Download accessdatabaseengine_X64.exe Microsoft Download Center Modern Alternative Install the Microsoft 365 Access Runtime for better compatibility with Windows 10 and 11. Common Fixes for "Missing Driver" Errors Microsoft Access Database Engine 2016 Redistributable 18 Nov 2025 —
Navigate to the official Microsoft Access Database Engine 2016 Redistributable page . Click . aceredist.msi 2016 download
"Install the latest 64-bit version of Microsoft Access Database Engine 2016". Where to Download AceRedist.msi 2016
Choose this if your Office installation or application is 32-bit.
The search for "aceredist.msi 2016" usually leads to a specific technical "ghost story": the mysterious, recurring error that plagues users of professional software like and Autodesk Inventor . AutoCAD Electrical 2021+ requires the version
Starting around late January 2026, an Office update caused issues for some AutoCAD Electrical users. Solution:
Select either accessdatabaseengine.exe (32-bit) or accessdatabaseengine_X64.exe (64-bit). Ensure you pick the one matching your Office installation bitness, not just your OS. Run the downloaded file and follow the prompts to install. Method 2: Repair via AutoCAD Electrical Media If this error appears while installing Autodesk software:
Most software that requires it actually includes the file in its own folders. Look for a path like: .../3rdParty/x64/AceDataEngine/AceRedist.msi . Quick Fix Guide If you are seeing this error today: "Install the latest 64-bit version of Microsoft Access
Visit the official Microsoft Access Database Engine 2016 Redistributable page.
You do not always need to browse untrusted third-party sites to download this installer. The necessary files are likely already stored on your computer or available directly from official sources.
Support for this specific version officially ended on October 14, 2025 , but it remains a critical dependency for older software versions.
By reinstalling the Microsoft Access Database Engine, you can typically resolve the aceredist.msi error within a few minutes, allowing your software to connect to the database properly.
, an underlying driver required by design programs like Autodesk AutoCAD Electrical and Autodesk Inventor to read project databases, catalog browsers, and schematic information. If your software fails to launch with a message stating "The driver 'AceRedist' is missing," you can locate this file embedded directly inside your software's original extraction media or download it directly from official sources.