These warnings reflect the driver’s design as a client‑side component rather than a robust server‑side data engine.
: This was the most common use case. A .NET application could use the Microsoft.ACE.OLEDB.12.0 provider in its connection string to read an Excel spreadsheet and import its data into an application or database. Similarly, a script could use ODBC to read an Access database and generate a report.
Description of Office Access Runtime and Data Connectivity Components 2007 SP3