HKLM\SOFTWARE\Microsoft\Office\16.0\Access Connectivity Engine
Thousands of enterprise apps—ERP systems, CRM plugins, legacy VB6 tools—were written assuming a 32-bit provider. These applications hard-code the path to msaceol.dll in the SysWOW64 (32-bit system folder). If you install the 64-bit engine, these apps simply cannot see the driver. access database engine 32 bit
In this post, we will unpack what this engine does, why the 32-bit version still dominates the enterprise world, and how to fix the most common pitfalls. First, let’s clear up a common misconception. This is not Microsoft Access. You do not need the full Office suite to use it. HKLM\SOFTWARE\Microsoft\Office\16
AccessDatabaseEngine.exe /quiet /passive Note: This does not truly solve the conflict; it just suppresses the error. The real fix is to standardize Office bitness across your org. You have a .NET app compiled as Any CPU . On a 64-bit OS, it runs as 64-bit. Solution: Force your application to compile as x86 (32-bit) to match the 32-bit engine, or switch to the OdbcConnection class instead of OleDbConnection. How to check what you have installed Open Registry Editor and check these paths: In this post, we will unpack what this