We are getting an error when setting up the MS Teams integration for notifications. Sending a test notification shows back the below error (attached as well)
"Custom Integration test failed (Reason: could not connect to the specified URL)"
The Webhook used has been copied from MS Teams (generated as per documentation). Is the issue related to ports, authentication, others?
Like @mark_bley mentioned, most likely a firewall issue. You can check the dynatrace server log for more details.