Windows Azure Diagnostics (WAD)
Windows Azure Diagnostics (WAD).
To analyze deployment issues, you can view the logging information to determine what happened. Windows Azure Diagnostics (WAD) will allow you to view IIS Logs, Windows Logs such as Application, Security, and so on, Custom Log files, and more, from within Visual Studio.

The sample Azure Cloud Service deployment script for Sitecore Commerce Server writes all entries to the Windows Event Log using a ProviderName of SitecoreAzureCommerce, so it is easier for you to find these entries from the Windows Event Log Viewer and in the Diagnostic Summary in Visual Studio.

The sample deployment script writes the event logs from the Commerce Server Installer and Configuration Wizard into a custom LocalStorage that is called CommerceLogs. The CommerceLogs storage is then added as a DataSource in the diagnostics.wadcfgx file, which means you can access those log files via the Directory list of blobs tab under wad-commercelogs.
