NI has a couple of different webservices that work with different products and cover different use cases. Unfortunately, they have very similar names, and are used interchangeably. Use this guide to figure out what service you are using, and how to configure it.
Description: The NI Application Web Server loads Web service applications which are deployed using LabVIEW. Stopping this service may cause deployed Web service applications to become unavailable.
Startup type: Automatic
Command line: "C:\Program Files\National Instruments\Shared\NI WebServer\ApplicationWebServer.exe" -user
This is the standard webservice that comes with most LabVIEW versions (up to 2019) and can be created from a project or an installer. This server can be configured using 2 different ways.
Web Server Page
Description: The NI System Web Server provides National Instruments Web services and Web-based configuration and Monitoring utility. Stopping this service may cause some NI software to not function properly.
Command line: "C:\Program Files\National Instruments\Shared\NI WebServer\SystemWebServer.exe" -system
System Web Server is for internal web services, you should not need to mess with this service.
Description: The NI Web Server hosts web applications and web UIs. Stopping this service may disable functionality in some NI software. This is the new web service that ships with NXG, and will be the default for LabVIEW starting in 2020. This web service is meant to replace the aging Application Web Server and System Web Server.
Command line: "C:\Program Files\National Instruments\Shared\Web Server\httpd.exe" -k runservice
You can configure it using the NI Web Server Configuration
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