CHAPI runs as a NETWORK SERVICE and needs a URL registration for its HTTP listener. The installers automatically add this registration for us but we can also do it manually if required via command line commands.
Warning - Do not perform when users are logged into Control.
netsh http add urlacl url=http://+:12556/ user=”NETWORK SERVICE”
netsh http delete urlacl url=http://+:12556/
Contributor: Brandon & Seth, Cyrious
Date: 7/5/2013
Version: Control 5.1