Reference @ “provider = Microsoft. Ace. OLEDB. 12.0; data source =” + Sourcefile + “;”;

When the server reports this error: the ‘Microsoft. Ace. OLEDB. 12.0’ provider is not registered on the local machine

Solution: OLEDB does not support 64 bits. The server should install 32 bits instead of 64 bits https://www.microsoft.com/en-us/download/confirmation.aspx?id=13255