S K replied to suresh krishna on 28-Jun-12 12:18 AM
There are setting in sql server for work as case sensitive or not
http://blog.sqlauthority.com/2012/02/18/sql-server-case-sensitive-database-and-database-user-fix-error-15151-cannot-find-the-user-because-it-does-not-exist-or-you-do-not-have-permission/