WCNCSVC hosts the Windows Connect Now Configuration which is Microsoft's Implementation of Wi-Fi Protected Setup (WPS) protocol. This is used to configure Wireless LAN settings for an Access Point (AP) or a Wi-Fi Device. The service is started programmatically as needed.
This service also exists in Windows 10, 11, 8 and Vista.
| Windows 7 edition | without SP | SP1 |
|---|---|---|
| Starter | Manual | Manual |
| Home Basic | Manual | Manual |
| Home Premium | Manual | Manual |
| Professional | Manual | Manual |
| Ultimate | Manual | Manual |
| Enterprise | Manual | Manual |
| Display name: | Windows Connect Now - Config Registrar |
| Service name: | wcncsvc |
| Type: | share |
| Path: | %WinDir%\System32\svchost.exe -k LocalServiceAndNoImpersonation |
| File: | %WinDir%\System32\wcncsvc.dll |
| Error control: | normal |
| Object: | NT AUTHORITY\LocalService |
| Privileges: |
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The Windows Connect Now - Config Registrar service runs as NT AUTHORITY\LocalService in a shared process. It shares the executable file with other services. If the Windows Connect Now - Config Registrar fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the wcncsvc service has failed to start.
Windows Connect Now - Config Registrar will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.
1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.
2. Save the RestoreWindowsConnectNowConfigRegistrarWindows7.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer to save changes.
Note. Make sure that the wcncsvc.dll file exists in the %WinDir%\System32 folder. If this file is missing you can try to restore it from your Windows 7 installation media.