Followed the setup instructions for setting up "Persistent Connections" in the environment as described in the ITMS documentation under:
Enabling persistent connection in your environment
However, when going to the Site Server, the option for "Persistent connection is disabled" is grayed out and he can't be edited as seen here:
ITMS 8.x
Misconfiguration. As stated in the documentation under Step 3 in Enabling persistent connection in your environment:
"If the Configure HTTPS binding option is unchecked and the HTTPS port is not specified, the WebSocket server does not start on the Site Server and the persistent connection will not be available."
The Altiris administrator didn't have the box checked for "Configure HTTPS on Site Servers" as shown here: