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AuthorQuestion
The database ‘.mdf’ cannot be opened because it is version 661. This server supports version 612 and earlier
Posted By krishan kumar singh on 19 Aug 2011
how can solve this problem without install a new sql server

AuthorReply
Re: The database ‘.mdf’ cannot be opened because it is version 661. This server supports version 612 and earlier
Posted By Jaganathan Bantheswaran on 19 Aug 2011  
Hi,

Its clear that your Sql server does not support MDF file version 661. So we need to install Sql server which supports MDF file version 661

Mark as "This is correct Answer", if it helps you.
Re: The database ‘.mdf’ cannot be opened because it is version 661. This server supports version 612 and earlier
Posted By Vulpes on 19 Aug 2011  
As Jagan said, the two versions are not backwards compatible.

Version 661 is for Sql Server 2008 R2 and version 612 is for Sql Server 2005.

However, if you don't want to pay for an upgrade, you might be able to access the version 661 file with the free SQL Server 2008 R2 Express Edition:

http://www.microsoft.com/sqlserver/en/us/editions/express.aspx

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