• Nothing to do with SQL Express.

    You have a SQL 2008 R2 backup that you're trying to restore to a SQL 2008 instance (not R2). They're two different versions and you can never restore down-version. You can restore up-version or between editions on the same version, but not down-version.

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

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