MSExchange Front End HTTP Proxy Problem, EventID 1003

Hi. I have problem with Front End HTTP Proxy.

[Autodiscover] An internal server error occurred. The unhandled exception was: System.TypeInitializationException: The type initializer for 'Microsoft.Exchange.HttpProxy.HttpProxySettings' threw an exception. ---> System.TypeLoadException: Could not load type 'CafeSettingsIni' from assembly 'Microsoft.Exchange.VariantConfiguration, Version=15.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.
   at Microsoft.Exchange.HttpProxy.HttpProxySettings..cctor()
   --- End of inner exception stack trace ---
   at Microsoft.Exchange.HttpProxy.ProxyApplication.<Application_Start>b__2()
   at Microsoft.Exchange.Common.IL.ILUtil.DoTryFilterCatch(TryDelegate tryDelegate, FilterDelegate filterDelegate, CatchDelegate catchDelegate)

[RpcHttp] An internal server error occurred. The unhandled exception was: System.TypeInitializationException: The type initializer for 'Microsoft.Exchange.HttpProxy.HttpProxySettings' threw an exception. ---> System.TypeLoadException: Could not load type 'CafeSettingsIni' from assembly 'Microsoft.Exchange.VariantConfiguration, Version=15.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.
   at Microsoft.Exchange.HttpProxy.HttpProxySettings..cctor()
   --- End of inner exception stack trace ---
   at Microsoft.Exchange.HttpProxy.ProxyApplication.<Application_Start>b__2()
   at Microsoft.Exchange.Common.IL.ILUtil.DoTryFilterCatch(TryDelegate tryDelegate, FilterDelegate filterDelegate, CatchDelegate catchDelegate)

The type initializer for 'Microsoft.Exchange.HttpProxy.HttpProxySettings' threw an exception.
   at Microsoft.Exchange.HttpProxy.ProxyApplication.<Application_Start>b__2()
   at Microsoft.Exchange.Common.IL.ILUtil.DoTryFilterCatch(TryDelegate tryDelegate, FilterDelegate filterDelegate, CatchDelegate catchDelegate)
   at Microsoft.Exchange.HttpProxy.Diagnostics.SendWatsonReportOnUnhandledException(MethodDelegate methodDelegate)
   at Microsoft.Exchange.HttpProxy.ProxyApplication.Application_Start(Object sender, EventArgs e)

Could not load type 'CafeSettingsIni' from assembly 'Microsoft.Exchange.VariantConfiguration, Version=15.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.
   at Microsoft.Exchange.HttpProxy.HttpProxySettings..cctor()

Owa,ECP,RPC etc not working after update Exhange 2013 to CU8