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How to Start/Stop
WWAN AutoConfig service
Description Services Regedit Back CMD Msconfig
Service name: WwanSvc
Display name: WWAN AutoConfig

Description:
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.

Path to executable:
C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
Type services.msc and press Enter
Services.msc:
This method shows you how to Start/Stop WWAN AutoConfig from Services.msc.
Please perform the following steps:

Please go to Pearl button (Start) and click on the Search programs and files
For more information about the change from Start to Pearl button click here
Locate WWAN AutoConfig observe his current status and open to make changes.
From General tab you can Start/Stop and change the WWAN AutoConfig.

To finish press ok button and close Services window
Type regedit and press Enter
Please confirm User Account Control pop-up
Microsoft official disclaimer

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by
using another method. These problems might require that you reinstall the operating system. Microsoft
cannot guarantee that these problems can be solved. Modify the registry at your own risk.

Please navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\WwanSvc  
and locate Start registry key
Regedit:          
This method shows you how to change Startup type of WWAN AutoConfig from Registry Editor.
Please perform the following steps:

Please go to Pearl button (Start) and click on the Search programs and files
For more information about the change from Start to Pearl button click here
   
   
Type cmd, right click on cmd icon under the Programs and click on Run as administrator
Please confirm User Account Control pop-up
Please select, right and copy a registry key from below, then right click on command prompt window
, select Paste and press Enter

To Start WWAN AutoConfig:

net start WwanSvc

Note: You can’t start a service if Startup type is on Disabled.

To Stop WWAN AutoConfig:

net stop WwanSvc

To change Startup Type:

Automatic:
REG add "HKLM\SYSTEM\CurrentControlSet\services\WwanSvc" /v Start /t REG_DWORD /d 2 /f

Manual:
REG add "HKLM\SYSTEM\CurrentControlSet\services\WwanSvc" /v Start /t REG_DWORD /d 3 /f

Disabled:
REG add "HKLM\SYSTEM\CurrentControlSet\services\WwanSvc" /v Start /t REG_DWORD /d 4 /f

Automatic (Delayed Start):
REG add "HKLM\SYSTEM\CurrentControlSet\services\WwanSvc" /v Start /t REG_DWORD /d 2 /f

Note: When you change to Automatic (Delayed Start) a new key DelayedAutostart is created with value 1.
REG add "HKLM\SYSTEM\CurrentControlSet\services\WwanSvc" /v DelayedAutostart /t REG_DWORD /d 1 /f

When you change to Automatic from Automatic (Delayed Start), DelayedAutostart change value to 0.
REG add "HKLM\SYSTEM\CurrentControlSet\services\WwanSvc" /v DelayedAutostart /t REG_DWORD /d 0 /f
CMD:          
This method shows you how to Start/Stop and change WWAN AutoConfig from Command Prompt.
 
Please perform the following steps:

Please go to Pearl button (Start) and click on the Search programs and files
For more information about the change from Start to Pearl button click here
Msconfig:          
This method shows you how to prevent WWAN AutoConfig from starting with the operating system using
System Configuration (msconfig.exe).
Please perform the following steps:

Please go to Pearl button (Start) and click on the Search programs and files
For more information about the change from Start to Pearl button click here
Write msconfig and press Enter
Up Back
   
   
Double click on Start and edit the value:

Change Startup type :

Automatic - 2
Manual - 3
Disabled - 4
Automatic (Delayed Start) - 2

Note: When you change to Automatic (Delayed Start) a new key DelayedAutostart is created with value 1.
When you change to Automatic from Automatic (Delayed Start), DelayedAutostart change value to 0.
In System Configuration please go to Services tab and locate WWAN AutoConfig.
Uncheck the box to prevent this service to start and then press OK to finish.  
Any change make in System Configuration will be apply after restart.