Windows Authentication or the SA account? A client asked me in a Health Check, and here is why my advice is Windows Authentication wherever you can.
SQL SERVER – The OLE DB Provider “Microsoft.ACE.OLEDB.12.0” for Linked Server “(null)” Reported an Error. Access Denied
OPENROWSET on an Excel file gave: The OLE DB provider “Microsoft.ACE.OLEDB.12.0” for linked server “(null)” reported an error. Access denied. Here is the fix.






