Troubleshooting Exceptions: System.Net.Sockets.SocketException 

A SocketException exception is thrown by the Socket and Dns classes when an error occurs with the network.

Associated Tips

• Check the Errorcode property to determine why the socket error occurred.
  The default constructor for the SocketException class sets the ErrorCode property to the last operating-system socket error that occurred. For more information, see the Windows Sockets Sample List.

See Also

Tasks

How to: Find Out More About an Exception with the Exception Assistant

Reference

SocketException

Concepts

Using Secure Sockets Layer