Network Error while Connecting to SQL Server 2012 Express Edition

I got this error while installing a local product created in .net as front end and SQL server as back end. Everything was seems working while I try to connect to the SQL server but application was not able to be installed on the client system. I followed the under given settings for opening the ports for the network:

  1. Go to All Programs
  2. Go to SQL Server 2012
  3. Go to Configuration Tools
  4. SQL Server Configuration Manager
  5. SQL Server Network Configuration
  6. Protocols for SQLEXPRESS
  7. Right clicked on TCP/IP
  8. In the TCP/IP Window
  9. Go to option IPAll
  10. and then enter 1433 in TCP Port text box