Windows Push Notifications System Service (WpnService) Defaults in Windows 11
This service runs in session 0 and hosts the notification platform and connection provider which handles the connection between the device and WNS server.
Default Settings
| Startup type: | Automatic |
| Display name: | Windows Push Notifications System Service |
| Service name: | WpnService |
| Service type: | share |
| Error control: | normal |
| Object: | LocalSystem |
| Path: | %SystemRoot%\system32\svchost.exe -k netsvcs -p |
| File: | %SystemRoot%\system32\WpnService.dll |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WpnService |
| Privileges: |
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Default Behavior
Windows Push Notifications System Service is a Win32 service. In Windows 11 it starts automatically during the operating system startup. Then the Windows Push Notifications System Service logs on as LocalSystem and running in a shared process of svchost.exe. If Windows Push Notifications System Service fails to start, the failure details will be recorded into Event Log. Then Windows 11 should boot up and notify the user about the WpnService service startup failure.
Dependencies
Windows Push Notifications System Service cannot be started, if the Remote Procedure Call (RPC) service won't start.
Restore Default Startup Configuration of Windows Push Notifications System Service
Before you begin doing this, make sure that all the services on which Windows Push Notifications System Service depends are configured by default and function properly. See the list of dependencies above.1. Run the Command Prompt as an administrator.
2. Copy the commands below, paste them into the command window and press ENTER:
sc config WpnService start= auto
sc start WpnService
3. Close the command window and restart the computer.
The WpnService service is using the WpnService.dll file that is located in the C:\Windows\system32 directory. If the file is removed or corrupted, read this article to restore its original version from Windows 11 installation media.