NHSmail Intune- Firewall Rule policies in Microsoft Intune are not applying to Windows devices

08/01/2025 11:16:00 AM

Issue Description: Firewall Rule policies that admins have recently created or modified in Microsoft Intune are not being enforced on Windows devices.

Current Update: 07/01/2026 11:16:00 AM – Microsoft review of the most recent service logs and telemetry has not yet identified the root cause. To move forward, they are deploying additional logging and logic updates to an internal test environment. These changes are expected to help us better diagnose and address the issue. They anticipate this deployment will be completed by the next update, after which further investigation will continue to determine the appropriate resolution.

Scope of impact: This issue affects your organization. Any admin attempting to create new or modify existing Firewall Rule policies in Microsoft Intune may experience this problem. Details may change as the investigation progresses.

Next update by: Thursday, January 8, 2026, at 11:00 AM UTC