Azure Service Bus Transport

Component: Azure Service Bus Transport
NuGet Package NServiceBus.Azure.Transports.WindowsAzureServiceBus (8-pre)
Target NServiceBus Version: 7.x
This page targets a pre-release version and is subject to change prior to the final release.


An environment variable named AzureServiceBus.ConnectionString with the connection string for the Azure Service Bus namespace.

Azure Service Bus Transport

This sample utilizes the Azure Service Bus Transport.

Code walk-through

This sample shows a simple two endpoint scenario.

  • Endpoint1 sends a Message1 message to Endpoint1.
  • Endpoint2 replies to Endpoint1 with a Message2.

Azure Service Bus configuration

The Server endpoint is configured to use the Azure Storage persistence in two locations.

var endpointConfiguration = new EndpointConfiguration("Samples.Azure.ServiceBus.Endpoint1");
var transport = endpointConfiguration.UseTransport<AzureServiceBusTransport>();
var connectionString = Environment.GetEnvironmentVariable("AzureServiceBus.ConnectionString");
if (string.IsNullOrWhiteSpace(connectionString))
    throw new Exception("Could not read the 'AzureServiceBus.ConnectionString' environment variable. Check the sample prerequisites.");

Some things to note:

  • The use of the SamplesAzureServiceBusConnection environment variable mentioned above.

Viewing message in-flight

The following queues for the two endpoints can be seen in the Azure Portal or a 3rd party tool:

  • error

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