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Can I attach a SQL 2008 R2 database to SQL 2008 that is not R2?

I have a database that I am detaching from SQL 2008 (not R2) and can attach this to SQL 2008 R2.

Can I then detatch the database from SQL 2008 R2 and attach it to SQL 2008 (not R2)?

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No.

You can't do that from a higher to a lower version. R2 is considered as a new version of sql server. You can go from lower version to higher version with detach/attach.

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  • Martin, Can we "restore" a backup database from a not r2 to a r2?
    – Racer SQL
    Feb 2 '15 at 10:51
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    Only if the restore is done to a server with higher version of sql server installed. Mar 3 '15 at 12:05

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