The PnP-X bus enumerator service manages the virtual network bus. It discovers network connected devices using the SSDP/WS discovery protocols and gives them presence in PnP. If this service is stopped or disabled, presence of NCD devices will not be maintained in PnP. All pnpx based scenarios will stop functioning.
This service also exists in Windows Vista.
|Windows 7 edition||without SP||SP1|
|Display name:||PnP-X IP Bus Enumerator|
|Path:||%WinDir%\system32\svchost.exe -k LocalSystemNetworkRestricted|
The PnP-X IP Bus Enumerator service runs as LocalSystem in a shared process. It shares an executable file with other services. If the PnP-X IP Bus Enumerator 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 IPBusEnum service has failed to start.
PnP-X IP Bus Enumerator will not start, if the following services are stopped or disabled:
If the PnP-X IP Bus Enumerator is stopped, the Media Center Extender Service fails to start and initialize.
1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.
2. Save the RestorePnPXIPBusEnumeratorWindows7.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
ipbusenum.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.