sql server login failed for user client computer : I am using sql sever r2 dadabase as a remote server having mixed mode sql authentication...
when run my c# program from client computer to access database with following connection string:-
"Data Source=192.168.1.101\SQLEXPRESS,1433;Initial Catalog=Login; Integrated Security=true;Connection timeout=30; User ID=sa;Password=23456"

and facing an error :-
Login failed for user 'VAIO\Guest'.

'VAIO' is remote PC.