请确保您在您的项目中引用了最新版本的WindowsAzure相关组件。

Make sure that you referenced the latest version of WindowsAzure related assemblies in your project.

Microsoft.WindowsAzure.Diagnostics 2.0 (and not 1.8)
Microsoft.WindowsAzure.ServiceRuntime 2.0 (and not 1.8)