MoonAPNS The operation is not allowed on non-connected sockets

[dave562E58]

I am using Moonapns asp.net library to send push notifications to apple device.it works fine on my local machine which is 64bit OS but when i am trying to deploy it to client's server with 64bit OS it gives following error , any one guide me what could be the problem?Event log:\[code\]System.InvalidOperationException: The operation is not allowed on non-connected sockets. at System.Net.Sockets.TcpClient.GetStream() at MoonAPNS.PushNotification.OpenSslStream(String host, X509CertificateCollection certificates) at MoonAPNS.PushNotification.Connect(String host, Int32 port, X509CertificateCollection certificates) at MoonAPNS.PushNotification.SendQueueToapple(IEnumerable`1 queue) at MoonAPNS.PushNotification.SendToApple(List`1 queue) at NeoFaceWatchMobileClient.watchservice.Timer_Elapsed(Object sender, EventArgs e)\[/code\]any help would be appreciated.