Troubleshoot Live Response
In brief
The Live Response troubleshooting page now links to revised Windows Push Notification Services overview and firewall configuration URLs. The MPNS public IP ranges link was removed.
What Defender admins need to know
Administrators troubleshooting WNS traffic should use the updated references; no required configuration change is stated.
Summaries are generated from the documentation change itself.
Documentation change
The comparison below shows only the changed extract. Use the full-page view for complete context.
Refer to the following articles to fully understand the WpnService service behavior and requirements:
@@ -58,8 +58,5 @@ Live response uses Defender for Endpoint sensor registration with WNS service in Refer to the following articles to fully understand the WpnService service behavior and requirements: -- [Windows Push Notification Services (WNS) overview](/windows/uwp/design/shell/tiles-and-notifications/windows-push-notification-services--wns--overview)-- [Enterprise Firewall and Proxy Configurations to Support WNS Traffic](/windows/uwp/design/shell/tiles-and-notifications/firewall-allowlist-config)-- [Microsoft Push Notifications Service (MPNS) Public IP ranges](https://www.microsoft.com/download/details.aspx?id=44535)--+- [Windows Push Notification Services (WNS) overview](/windows/apps/develop/notifications/push-notifications/wns-overview)+- [Enterprise firewall configurations to support WNS traffic](/windows/apps/develop/notifications/push-notifications/firewall-allowlist-config) 