Turn off notification mirroring

Supported on: At least Windows Server 2016, Windows 10

Registry

HKCU SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\PushNotifications

Value name: DisallowNotificationMirroring

Enabled: DisallowNotificationMirroring = 1

Disabled: DisallowNotificationMirroring = 0

Description

This policy setting turns off notification mirroring. If you enable this policy setting, notifications from applications and system will not be mirrored to your other devices. If you disable or do not configure this policy setting, notifications will be mirrored, and can be turned off by the administrator or user. No reboots or service restarts are required for this policy setting to take effect.