i am writing a C# program for communicate with open fire by XMPP protocol using agsXMPP .
for start i use MiniClient from ags group and run it. with some simple modifications this program run and connect correctly.
But when i change Target Framework from .Net 2.0 to .Net 4.5.1 or .Net 4.5 program run but when i want to connect get socket error No such host is known.
for jid i am enter [email protected] and it connect on .Net 2.0 but got error in .Net 4.5.
i have some libraries that i must use .Net 4.5 and up.
how i can fix this problem?