when I install EPiServer commercer 7.5 ! i meet Error - Exception calling "Open" with "0" argument(s): "Login failed for user 'dbUserMyEPiServerSite2'." ! I don't know to fix error! please help me
Take a look at your connection strings and make sure that dbUserMyEPiServerSite2 exists with the correct password and have access to your SQL Server databases.