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c# - cannot be opened because it is version 706. This server supports version 662 and earlier. A downgrade path is not supported

When i am trying to run my website (with aspx) this problem comes up:

An exception of type 'System.Data.SqlClient.SqlException' occurred in System.Data.dll but was not handled in user code

Additional information: The database 'C:USERSXXXXDESKTOPBERMANAPP_DATADATABASE.MDF' cannot be opened because it is version 706. This server supports version 662 and earlier. A downgrade path is not supported.

Could not open new database 'C:USERSXXXXDESKTOPBERMANAPP_DATADATABASE.MDF'. CREATE DATABASE is aborted.

An attempt to attach an auto-named database for file C:UsersXXXXDesktopBermanapp_dataDataBase.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share.

What to do?

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Looks like the Database.mdf file was created with a later version of SQL Server Express (2012) than the one installed on the server (2008). Upgrade the server with the latest version of SQL Server Express.


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