title: How to deal with SQL server error: The database cannot be opened because it is version 904. This server supports version 852 and earlier
body: <p>While connecting to SQL Server database by attaching to an MDF file, the following error is returned:</p>
  <p>The database cannot be opened because it is version 904. This server supports version 852 and earlier. A downgrade path is not supported.</p>
  <p>How to deal with that?</p>