How to resolve this error in SQL Server

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SQL-Server-2008

TITLE: Microsoft SQL Server Management Studio
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Attach database failed for Server 'AM-PC\SQLEXPRESS'.  (Microsoft.SqlServer.Smo)

For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=10.50.1600.1+((KJ_RTM).100402-1540+)&EvtSrc=Microsoft.SqlServer.Management.Smo.ExceptionTemplates.FailedOperationExceptionText&EvtID=Attach+database+Server&LinkId=20476

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ADDITIONAL INFORMATION:

An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)

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The database 'dfdfdff'cannot be opened because it is version 661. This server supports version 655 and earlier. A downgrade path is not supported.
Could not open new database 'dfdfdff'. CREATE DATABASE is aborted. (Microsoft SQL Server, Error: 948)

For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=948&LinkId=20476

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Posted 13-Jul-12 23:16pm

2011999

Updated 13-Jul-12 23:27pm

Sandeep Mewara

v2

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OriginalGriff · Accepted Answer · 2012-07-13T23:23:00

Solution 1

The error message is pretty clear: you are trying to open a database created in a later version of SQL Server.
At a guess, the DB was created by SQL Server 2008 R2, and you are trying to open it in vanilla SQL Server 2008

You need the later version of SQL server, or to recreate your database in the earlier version.

Posted 13-Jul-12 23:23pm

OriginalGriff

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sandeep nagabhairava 14-Jul-12 6:51am

my 5!

Sandeep Mewara · Accepted Answer · 2012-07-13T23:27:00

SQL Server 2008 databases are version 655 whereas SQL Server 2008 R2 databases are 661.

You are trying to attach a 2008 R2 database (v661) to a 2008 instance which is not supported. Once the database has been upgraded to an 2008 R2 version, it cannot be downgraded.
You'll have to either upgrade your 2008 SP2 instance to R2, or you have to copy out the data in that database into an 2008 database (e.g. using the data migration wizard, or something equivalent).

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