Virtualizes file system names for processes running within Windows Containers.
This service exists in Windows 10 only.
Windows 10 version | Home | Pro | Education | Enterprise |
---|---|---|---|---|
1507 | not exists | not exists | not exists | not exists |
1511 | not exists | not exists | not exists | not exists |
1607 | Automatic | Automatic | Automatic | Automatic |
1703 | Manual | Manual | Manual | Manual |
1709 | Manual | Manual | Manual | Manual |
1803 | Manual | Manual | Manual | Manual |
1809 | Manual | Manual | Manual | Manual |
1903 | Manual | Manual | Manual | Manual |
1909 | Manual | Manual | Manual | Manual |
2004 | Manual | Manual | Manual | Manual |
20H2 | Manual | Manual | Manual | Manual |
21H1 | Manual | Manual | Manual | Manual |
21H2 | Manual | Manual | Manual | Manual |
22H2 | Manual | Manual | Manual | Manual |
Display name: | Windows Container Name Virtualization |
Service name: | wcnfs |
Type: | filesys |
Path: | %WinDir%\system32\drivers\wcnfs.sys |
Error control: | normal |
Group: | FSFilter Top |
The Windows Container Name Virtualization service is a file system driver. If Windows Container Name Virtualization fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the wcnfs service has failed to start.
Windows Container Name Virtualization is unable to start, if the FltMgr service is stopped or disabled.
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreWindowsContainerNameVirtualizationWindows10.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 wcnfs.sys
file exists in the %WinDir%\system32\drivers
folder. If this file is missing you can try to restore it from your Windows 10 installation media.