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Why is SQL Server unable to copy database?
There could have been an issue with permissions copying the MDF and LDF files (not your login, but the SQLAgent service account login). There could have been an issue with the attach. A database created by a more recent version of SQL Server cannot be attached in earlier versions.
How to stop SQL Server from running MDF file?
If you have accessed this mdf file before using either Sql Management Studio or your Visual Studio xx. Then please close Sql Server running this mdf file, I mean, you have to stop the Sql Server Services and then copy the mdf file from its location to the desired location.
Can You detach a database that is replicated / published?
You cannot detach a database that is replicated/published. A database snapshot exists on the database. It is being mirrored. It is suspect. It is a system database. There could have been an issue with permissions copying the MDF and LDF files (not your login, but the SQLAgent service account login).
Is there a way to detach a database?
These are the steps of the SQL Agent Job: detach the database, copy MDF and LDF files to the destination, then attach both source and destination to their respective instances. It is possible that there was something preventing the detach. You cannot detach a database that is replicated/published.
Is there an option to copy a database?
As per @AaronBertrand’s comment, though, it is highly recommended not to use the Copy Database Wizard. Just go with a backup and restore. It’ll be less of a headache. Edit: It seems as though this option is not available for SQL Server Express edition.
Can a database be copied to an earlier version of SQL?
A database cannot be moved or copied to an earlier version of SQL Server. If you select the Move option, the wizard deletes the source database automatically after moving the database. The Copy Database Wizard does not delete a source database if you select the Copy option.
How to copy a database in Managament studio?
Open the Managament studio for SQL and then connect to the specified Server.open the database node and right click on the database choose Task->Detach. now you can copy the database.but after this you have again attach to the database. 2. go to Start Menu -> SQL Server -> Configuration Tools ->SQL Server Configuration Manager.