I installed the AppDynamics extension from the Azure portal into my Azure App Service. I set up the required application settings per https://docs.appdynamics.com/display/AZURE/Install+the+AppDynamics+Azure+Site+Extension+for+.NET (Configure the agen...
Closing now as I got the data to flow to the AppD dashboard. Had to use the right access key and also had to add an app in the dashboard before getting it all working in the agent. This was not a clear workflow to follow, and documentation could have...
More information: I found the AppDynamics logs, and this was found in the WarnLog.txt file:
2019-07-31 22:17:59.6405 11564 w3wp 2 9 Warn ConfigurationChannel Could not connect to the controller/invalid response from controller, cannot get initializ...