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Issue with otlook web app exchange 2010 RRS feed

  • Question

  • all the user of outlook web app having problem receiving email from outside, deleting emails. here i am attaching error message when the user trying to delete message as below.

    An unexpected error occurred  and your request couldn't be handled.

    As an administrator I tried to find out the cause by going through the event viewer i found one event(event ID 3) that is as below.

    WebHost failed to process a request.
     Sender Information: System.ServiceModel.ServiceHostingEnvironment+HostingManager/20974680
     Exception: System.ServiceModel.ServiceActivationException: The service '/EWS/exchange.asmx' cannot be activated due to an exception during compilation.  The exception message is: This collection already contains an address with scheme https.  There can be at most one address per scheme in this collection. 
    Parameter name: item. ---> System.ArgumentException: This collection already contains an address with scheme https.  There can be at most one address per scheme in this collection. 
    Parameter name: item
       at System.ServiceModel.UriSchemeKeyedCollection.InsertItem(Int32 index, Uri item)
       at System.Collections.Generic.SynchronizedCollection`1.Add(T item)
       at System.ServiceModel.UriSchemeKeyedCollection..ctor(Uri[] addresses)
       at System.ServiceModel.ServiceHost..ctor(Type serviceType, Uri[] baseAddresses)
       at System.ServiceModel.Activation.ServiceHostFactory.CreateServiceHost(Type serviceType, Uri[] baseAddresses)
       at System.ServiceModel.Activation.ServiceHostFactory.CreateServiceHost(String constructorString, Uri[] baseAddresses)
       at System.ServiceModel.ServiceHostingEnvironment.HostingManager.CreateService(String normalizedVirtualPath)
       at System.ServiceModel.ServiceHostingEnvironment.HostingManager.ActivateService(String normalizedVirtualPath)
       at System.ServiceModel.ServiceHostingEnvironment.HostingManager.EnsureServiceAvailable(String normalizedVirtualPath)
       --- End of inner exception stack trace ---
       at System.ServiceModel.ServiceHostingEnvironment.HostingManager.EnsureServiceAvailable(String normalizedVirtualPath)
       at System.ServiceModel.ServiceHostingEnvironment.EnsureServiceAvailableFast(String relativeVirtualPath)
     Process Name: w3wp
     Process ID: 9928

    Friday, April 3, 2020 6:54 PM