title: getting unauthorized error trying to listen to Azure Event Hub
body: <p>i have a simple EventHub listener sample code trying to listen to event hub</p>
  
  <pre><code>public class Program
  {
  
  
  
      private const string EventHubConnectionString = "Endpoint=sb://fake.servicebus.windows.net/;SharedAccessKeyName=SendETB;SharedAccessKey=JcvVeX5KsGHfJkPNmdns5jvNYVpB9Wc05jDuMaV3NW8=";
      private const string EventHubName = "myhub";
      private const string StorageContainerName = "my-own-container";
      private const string StorageAccountName = "mystorage";
      private const string StorageAccountKey = "fakeZn8WUV1mcsh0MVbmea/ypxDs+No2tzrhr0kUmjxvA0a0jUxfZ29hHoY/yopVvGLEn/stEQbBEAyjYMX9g==";
  
  
  
      private static readonly string StorageConnectionString = string.Format("DefaultEndpointsProtocol=https;AccountName={0};AccountKey={1}", StorageAccountName, StorageAccountKey);
  
      public static void Main(string[] args)
      {
          MainAsync(args).GetAwaiter().GetResult();
      }
  
      private static async Task MainAsync(string[] args)
      {
          Console.WriteLine("Registering EventProcessor...");
  
          var eventProcessorHost = new EventProcessorHost(
              EventHubName,
              PartitionReceiver.DefaultConsumerGroupName,
              EventHubConnectionString,
              StorageConnectionString,
              StorageContainerName);
  
          // Registers the Event Processor Host and starts receiving messages
          await eventProcessorHost.RegisterEventProcessorAsync&lt;SimpleEventProcessor&gt;();
  
          Console.WriteLine("Receiving. Press enter key to stop worker.");
          Console.ReadLine();
  
          // Disposes of the Event Processor Host
          await eventProcessorHost.UnregisterEventProcessorAsync();
      }
  }
  </code></pre>
  
  <p>}</p>
  
  <p>with the above mentioned code i get an error. </p>
  
  <blockquote>
    <p>Error on Partition: 0, Error: Unauthorized access. 'Listen' claim(s) are required to perform this operation. Resource: 'sb://fake.servicebus.windows.net/etbhub/consumergroups/$default/partitions/0'. TrackingId:fakef417d94238ba36d41d32b83341_G9, SystemTracker:gateway5, Timestamp:2020-01-27T22:06:49</p>
  </blockquote>