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
For me the problem was having the .BAK file located in an encrypted folder on the server. Even with full Admin rights, I could never get SSMS to read the file. Moving the .BAK to an unencrypted folder solved my problem. Note that after moving the file you may have to also change the properties on the actual file to remove encryption (right click, properties, advanced, uncheck "encrypt contents to secure data".