tsql - SQL Server Management Studio - trouble restoring from bak and trn -

i trying restore database .bak , trn files. not able see .bak , .trn files through sql server management studio. when go folder see them. used t-sql says access denied. sysadmin on server. can please me it. script:

restore database [xyz] disk = n'r:\mssql10_50.mssqlserver\mssql\restore\xyz_full.bak' file = 1

go

error: msg 3201, level 16, state 2, line 3 cannot open backup device 'r:..."operating system error 5(access denied.).

make sure account (windows or sql server) in ssms has right backup/restore, sysadmin, db_backoperator, etc.

the backup , restore processes runs under sql server (engine) service account since might running ssms on laptop working files on server.

it doesn't matter logged in as, service account needs access directory , files.

is service account domain account or local service? use domain account can work files on unc path.

also, there 2 system stored procedures executed during browse dialog: master.dbo.xp_dirtree, master.dbo.xp_fileexist.

if return empty results query window, permission issue sql server service account.

profiler trace browse operation (adventure works).

declare @path nvarchar(255) declare @name nvarchar(255)      select @path = n'c:\mssql\save me\backup\adventureworks2012' select @name = n'adventureworks2012_backup_2012_11_30_160723_2147507.bak'  create table #filetmpfin (name nvarchar(255) not null, isfile bit null)   if(@name null)  begin    create table #filetmp (name nvarchar(255) not null, depth int not null, isfile bit null )    insert #filetmp execute master.dbo.xp_dirtree @path, 1, 1    insert #filetmpfin select name, isfile #filetmp f    drop table #filetmp  end   if(not @name null)  begin    declare @fullname nvarchar(300)    if(@path null)      select @fullname = @name    else     select @fullname = @path    + '\' + @name     create table #filetmp2 ( exist bit not null, isdir bit not null, direxist bit null )    insert #filetmp2 execute master.dbo.xp_fileexist @fullname    insert #filetmpfin select @name, 1-isdir #filetmp2 exist = 1 or isdir = 1     drop table #filetmp2  end  select  name [name],  isfile [isfile]    #filetmpfin order   [isfile] asc,[name] asc  drop table #filetmpfin