System.PlatformNotSupportedException

Question

I have Dedicated Server
My server operating system is Windows server 2012R2 64bit

I installed Microsoft Speech Platform - Runtime (Version 11)
file name "x64_MicrosoftSpeechPlatformSDK\MicrosoftSpeechPlatformSDK.msi"

and i am put my application in IIS8 in server

and when i am running my asp.net MVC4 application from domain
it give error like

System.PlatformNotSupportedException: Speech Recognition is not available on this system. SAPI and Speech Recognition engines cannot be found.
at Microsoft.Speech.Internal.SapiInterop.SapiRecognizer..ctor(RecognizerType type)
at Microsoft.Speech.Recognition.SpeechRecognitionEngine.Initialize(RecognizerInfo recognizerInfo)
at Microsoft.Speech.Recognition.SpeechRecognitionEngine..ctor()
at Easyconference.Controllers.MeetingController.<TranslateSpeech>d__d.MoveNext() in c:\MyApp\name\Controllers\

Please help me.