This database file is incompatible with the current instance of SQL Server

when vs2015 imports MDF database files : This database file is incompatible with the current instance of SQL Server .

mdf The version of the file is sql SERVER 2005 ,vs2015 The own database is LocalDB , direct import of mdf file will prompt :

< Span lang= "en-US" > The solution is to sql server 2005 mdf file converted to localdb operable mdf file

Here is how to do it directly with VS2015 , no need to install SQL SERVER.

Connect to a database in Server Explorer

Server name : directly fill in (localdb) \mssqllocaldb

Attach the database file : Select the mdf file you want

Logical name : can fill in, here I fill in the same name as the MDF file Name

Click < OK >

When you click < OK > , the following prompt pops up : Do you want to upgrade the database files now ? Click < Yes >

Complete.

Resources:

http://go.microsoft.com/fwlink/?LinkId=235986

Https://msdn.microsoft.com/en-us/library/hh873188.aspx

This database file is incompatible with the current instance of SQL Server