SQL Server Express Remote Connection:
To enable remote connections on a SQL Server Express instance:

 1) Start SQL Server Configuration Manager(Start => Programs => SQL Server => Configuration Tools => SQL Server Configuration Manager.
 2) Start SQL Server Browser service (May want to set to start automatically)
 3) Left window, select SQL Server Network Configuration, then Protocols for [InstanceName]
 4) Enable TCP\IP
 5) Restart SQL Service