WWAN AutoConfig (WwanSvc) Service Defaults in Windows 10

This service manages mobile broadband (GSM & CDMA) data card/embedded module adapters and connections by auto-configuring the networks. It is strongly recommended that this service be kept running for best user experience of mobile broadband devices.

Default Settings

Startup type:Manual
Display name:WWAN AutoConfig
Service name:WwanSvc
Service type:share
Error control:normal
Group:TDI
Object:NT Authority\LocalService
Path:%SystemRoot%\system32\svchost.exe -k LocalServiceNoNetwork
File:%SystemRoot%\System32\wwansvc.dll
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WwanSvc
Privileges:
  • SeChangeNotifyPrivilege
  • SeImpersonatePrivilege
  • SeAuditPrivilege

Default Behavior

WWAN AutoConfig is a Win32 service. In Windows 10 it is starting only if the user, an application or another service starts it. When the WWAN AutoConfig service is started, it is running as NT Authority\LocalService in a shared process of svchost.exe along with other services. If WWAN AutoConfig fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the WwanSvc service has failed to start due to the error.

Dependencies

WWAN AutoConfig cannot be started under any conditions, if the following services are disabled, deleted or working improperly:

While WWAN AutoConfig is stopped, disabled or working incorrectly, the LPA Service cannot be launched.

Restore Default Startup Configuration for WWAN AutoConfig

1. Select your Windows 10 edition and release, and then click Download.

2. Save the Win10_WwanSvc_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The WwanSvc service is using the wwansvc.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.