It's not possible to copy data.
You should be able to use DBO with any SQL Server as it means that any user given DBO (Databasse Owner) rights to the database has full control of that object. This makes it simpler to move SQL server Database between databases without the problems that you are having.
I would check with your provider about not being able to set the owner of tables to DBO as it would seem strange if you can not. This way it will also make moving to a new host in future mush simpler.
Don't forget as well you can also host your forum or whole website with ourselves on our own servers. We charge a £19.95 migration fee to move the forum to our network but we can update the object owners of the database to DBO during this migration process.
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