I m trying to connect an sql express database over lan. my connection string is as below.
Data Source=Mr-4f04a26307ff\sqlexpress; AttachDBFilename=F:\\Projects\\MyProj\\FirstProj\\bin\\Debug\\Database\\MyDB.mdf;Integrated Security=ture; User Instance=true;
but unable to connect and throw this exception
Login Failed for user 'Mr-4f04a26307ff\Guest'
What is the problem with this and what is the solution.