Windows Push Notifications System Service (WpnService) Defaults in Windows 10

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:
Windows 10 Home 1507Manual
Windows 10 Pro 1507Manual
Windows 10 Education 1507Manual
Windows 10 Enterprise 1507Manual
Windows 10 Home 1511Manual
Windows 10 Pro 1511Manual
Windows 10 Education 1511Manual
Windows 10 Enterprise 1511Manual
Windows 10 Home 1607Automatic
Windows 10 Pro 1607Automatic
Windows 10 Education 1607Automatic
Windows 10 Enterprise 1607Automatic
Windows 10 Home 1703Automatic
Windows 10 Pro 1703Automatic
Windows 10 Education 1703Automatic
Windows 10 Enterprise 1703Automatic
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
File:%SystemRoot%\system32\WpnService.dll
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WpnService
Privileges:
  • SeChangeNotifyPrivilege
  • SeImpersonatePrivilege
  • SeCreateGlobalPrivilege
  • SeTcbPrivilege
  • SeRestorePrivilege
  • SeTakeOwnershipPrivilege
  • SeBackupPrivilege

Default Behavior

Windows Push Notifications System Service is a Win32 service. It is starting only if the user, an application or another service starts it in Windows 10 Home 1507, Windows 10 Pro 1507, Windows 10 Education 1507, Windows 10 Enterprise 1507, Windows 10 Home 1511, Windows 10 Pro 1511, Windows 10 Education 1511, Windows 10 Enterprise 1511. This service is starting automatically when the operating system starts in Windows 10 Home 1607, Windows 10 Pro 1607, Windows 10 Education 1607, Windows 10 Enterprise 1607, Windows 10 Home 1703, Windows 10 Pro 1703, Windows 10 Education 1703, Windows 10 Enterprise 1703. When the Windows Push Notifications System Service is started, it is running as LocalSystem in a shared process of svchost.exe along with other services. If Windows Push Notifications System Service fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the WpnService service has failed to start due to the error.

Dependencies

Windows Push Notifications System Service cannot be started under any conditions, if the Remote Procedure Call (RPC) service is disabled.

Restore Default Startup Configuration for 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. Depending on the version of your operating system, copy the commands below, paste them into the command window and press ENTER.

For Windows 10 1507 Home, Windows 10 1507 Pro, Windows 10 1507 Education, Windows 10 1507 Enterprise, Windows 10 1511 Home, Windows 10 1511 Pro, Windows 10 1511 Education, Windows 10 1511 Enterprise:
sc config WpnService start= demand

For Windows 10 1607 Home, Windows 10 1607 Pro, Windows 10 1607 Education, Windows 10 1607 Enterprise, Windows 10 1703 Home, Windows 10 1703 Pro, Windows 10 1703 Education, Windows 10 1703 Enterprise:
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 %WinDir%\system32 folder. If the file is changed, damaged or deleted, you can restore its original version from Windows 10 installation media.