Open "SQL Server Configuration Manager"

Now Click on "SQL Server Network Configuration" and Click on "Protocols for Name"

Right Click on "TCP/IP" (make sure it is Enabled) Click on Properties

Now Select "IP Addresses" Tab -and- Go to the last entry "IP All"

Enter "TCP Port" 1433.

Now Restart "SQL Server .Name." using "services.msc" (winKey + r)