Windows Connect Now - Config Registrar (wcncsvc) Service Defaults in Windows 10

WCNCSVC hosts the Windows Connect Now Configuration which is Microsoft's Implementation of Wireless Protected Setup (WPS) protocol. This is used to configure Wireless LAN settings for an Access Point (AP) or a Wireless Device. The service is started programmatically as needed.

Default Settings

Startup type:Manual
Display name:Windows Connect Now - Config Registrar
Service name:wcncsvc
Service type:share
Error control:normal
Object:NT AUTHORITY\LocalService
Path:%SystemRoot%\System32\svchost.exe -k LocalServiceAndNoImpersonation -p
File:%SystemRoot%\System32\wcncsvc.dll
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wcncsvc
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Default Behavior

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

Dependencies

Windows Connect Now - Config Registrar cannot be started under any conditions, if the Remote Procedure Call (RPC) service is disabled.

Restore Default Startup Configuration for Windows Connect Now - Config Registrar

Before you begin doing this, make sure that all the services on which Windows Connect Now - Config Registrar 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 command below, paste it into the command window and press ENTER:

sc config wcncsvc start= demand

3. Close the command window and restart the computer.

The wcncsvc service is using the wcncsvc.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.