How do I enable VitalSigns Web Services?

Answer:

Here are the steps get webservices URL working:
RDP to the server
Stop the AspNet standalone server - CTRL + c in the command line
Navigate to VitalSignsWebAPI\approot\src\VitalSigns.API
Backup project.json
Open project.json in a text editor
Update commands > web attribute as follows:
"commands": {
    "web": "Microsoft.AspNet.Hosting --server Microsoft.AspNet.Server.Kestrel --server.urls http://0.0.0.0:5000"
  }
Save and Close the file
Restart the AspNet server

Ref: https://docs.asp.net/en/latest/fundamentals/servers.html