Exchange 2016 CU6 update sonrası OWA sorunu

Selamlar,

Exchange 2016 cu6 geçişini yaparken sorun çıktı kurulum hata verdi kapandı, yeniden başlattıktan sonra kurulumu yeniden başlattım sona erdi ancak sonra owa aşağıdaki hatayı vermeye başladı, internetten araştırdığm bütün makalelere baktım çözümleri uyguladım ancak sonuç yine olumsuz, owa yine aşağıdaki hatayı vermeye devam ediyor,

X-ClientId: 9D45B2F68EF345B3B85C81D9DDF86936
X-FEServer: EXCH
Date: 17.7.2017 05:18:54

Event loglara baktığımda 1309 Event ID ve Source ASP.NET 4.0.30319.0 ile aşağıdaki event düşüyor 

Event code: 3005 
Event message: An unhandled exception has occurred. 
Event time: 7/17/2017 8:20:00 AM 
Event time (UTC): 7/17/2017 5:20:00 AM 
Event ID: 68646b8081c846af9b17f8ffa17332c0 
Event sequence: 2 
Event occurrence: 1 
Event detail code: 0 
 
Application information: 
 Application domain: /LM/W3SVC/2/ROOT/owa-2216-131447423818266801 
 Trust level: Full 
 Application Virtual Path: /owa 
 Application Path: C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\owa\ 
 Machine name: EXCH 
 
Process information: 
 Process ID: 7532 
 Process name: w3wp.exe 
 Account name: NT AUTHORITY\SYSTEM 
 
Exception information: 
 Exception type: TargetInvocationException 
 Exception message: Exception has been thrown by the target of an invocation.
 at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
 at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
 at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
 at Owin.Loader.DefaultLoader.<>c__DisplayClass12.<MakeDelegate>b__b(IAppBuilder builder)
 at Owin.Loader.DefaultLoader.<>c__DisplayClass1.<LoadImplementation>b__0(IAppBuilder builder)
 at Microsoft.Owin.Host.SystemWeb.OwinAppContext.Initialize(Action`1 startup)
 at Microsoft.Owin.Host.SystemWeb.OwinBuilder.Build(Action`1 startup)
 at Microsoft.Owin.Host.SystemWeb.OwinHttpModule.InitializeBlueprint()
 at System.Threading.LazyInitializer.EnsureInitializedCore[T](T& target, Boolean& initialized, Object& syncLock, Func`1 valueFactory)
 at Microsoft.Owin.Host.SystemWeb.OwinHttpModule.Init(HttpApplication context)
 at System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers)
 at System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context)
 at System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context)
 at System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext)

Encryption certificate is absent
 at Microsoft.Exchange.Security.Authentication.Utility.GetCertificates()
 at Microsoft.Exchange.Clients.Owa2.Server.Core.notifications.SignalR.SignalRStartup.Configuration(IAppBuilder app)

 
 
Request information: 
 Request URL:  https://localhost:444/owa/proxylogon.owa  
 Request path: /owa/proxylogon.owa 
 User host address: ::1 
 User: 
 Is authenticated: False 
 Authentication Type: 
 Thread account name: NT AUTHORITY\SYSTEM 
 
Thread information: 
 Thread ID: 247 
 Thread account name: NT AUTHORITY\SYSTEM 
 Is impersonating: False 
 Stack trace: at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
 at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
 at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
 at Owin.Loader.DefaultLoader.<>c__DisplayClass12.<MakeDelegate>b__b(IAppBuilder builder)
 at Owin.Loader.DefaultLoader.<>c__DisplayClass1.<LoadImplementation>b__0(IAppBuilder builder)
 at Microsoft.Owin.Host.SystemWeb.OwinAppContext.Initialize(Action`1 startup)
 at Microsoft.Owin.Host.SystemWeb.OwinBuilder.Build(Action`1 startup)
 at Microsoft.Owin.Host.SystemWeb.OwinHttpModule.InitializeBlueprint()
 at System.Threading.LazyInitializer.EnsureInitializedCore[T](T& target, Boolean& initialized, Object& syncLock, Func`1 valueFactory)
 at Microsoft.Owin.Host.SystemWeb.OwinHttpModule.Init(HttpApplication context)
 at System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers)
 at System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context)
 at System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context)
 at System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext)
 
 
Custom event details: 


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