I have a SQL Server 2012 database with filestream enabled. However, when I backup it and try to restore it on another SQL Server 2012 instance (on another machine), I simply
In my case (new sql server install, newly created user) my user simply didn't have the necessary permission. I logged to the Management Studio as sa, then went to Security/Logins, right-click my username, Properties, then in the Server Roles section I checked sysadmin.