When running within a container, app service, or other scenario where the host name is randomly generated or not useful an alternate value can be provided to identify sessions running on a common host.
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2