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Problem with upgrade from SQL 2008 Express to SQL Server 2008 Enterprise

Posted By:      Posted Date: September 10, 2010    Points: 0   Category :Sql Server
I use the wizard "Maintenance > Edition Upgrade". When I choose the instance of SQL Express 2008 and click Next I get the error "Rule SQL 2008 edition upgrade failed. The selected SQL Server instance does not meet upgrade matrix requirements."What can I do to ugrade ?

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