ServiceNow: HTTP 403 Forbidden Access Restricted Not Authorized error when sending a test notification

[nandini_balakri]

Check Settings > Integration > Problem notifications for your Dynatrace environment. Add the IP addresses listed there to your ServiceNow allowlist. For Dynatrace Managed environments, check with your Dynatrace administrator for a list of addresses to allow.

Also check:

• How to whiltelist the IP addresses in ServiceNow (ServiceNow Community).
• Send Dynatrace notifications to ServiceNow (Dynatrace Documentation).