Hi,
I stopped the user who is accessing the database and now i am getting the following message
Server: Msg 3201, Level 16, State 2, Line 1
Cannot open backup device '\\xyz\Databackups\ddd.BAK'. Device error or device off-line. See the SQL Server error log for more details.
Server: Msg 3013, Level 16, State 1, Line 1
RESTORE DATABASE is terminating abnormally.