When clicking on the Tracer addin in Revit, a message that “Revit cannot run the external application” is given

Expanding the details of the message indicates a “System.Net.WebException

Problem

• Tracer is unable to communicate with the Proving Ground Apps licensing API to verify that you have a valid and active license of Tracer

Solution

• Ensure that you do not have a Firewall or other form of security preventing web connections from the Tracer.Harvest addin application.
• Provide a firewall rule to allow web requests to https://apps.provingground.io