Microsoft generally prevents installing a 64-bit engine if 32-bit Office is present (and vice versa). To bypass this, you must use the with a specific flag:
To download and install the Microsoft.ACE.OLEDB.12.0 provider for you must download the Microsoft Access Database Engine Redistributable download microsoft.ace.oledb.12.0 provider for both 64-bit
Get-ChildItem "HKLM:\SOFTWARE\Microsoft\Office\14.0\Access Connectivity Engine" -ErrorAction SilentlyContinue Microsoft generally prevents installing a 64-bit engine if
The "Microsoft.ACE.OLEDB.12.0" provider is part of the . While older 2010 versions are harder to find on official landing pages, the 2016 Redistributable is the current standard and provides the updated OLEDB 16.0 driver, which often maintains compatibility with 12.0 connection strings. Links to download: | Use Case | Required
Links to download:
| Use Case | Required Provider | |----------|------------------| | 64-bit SQL Server Import/Export Wizard | 64-bit ACE.12.0 | | 32-bit Excel VBA connecting to Access | 32-bit ACE.12.0 | | 64-bit SSIS running on server with 32-bit Excel source | Both (install 64-bit first, then 32-bit with /quiet ) | | 32-bit IIS application pool reading XLSX files | 32-bit ACE.12.0 |