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Event ID 19000 — NVSPWMI service

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Applies To: Windows Server 2008

This is preliminary documentation and subject to change.

This service provides the WMI interface for managing virtual network switches.

Event Details

Product: Windows Operating System
ID: 19000
Source: Microsoft-Windows-Hyper-V-VMMS
Version: 6.0
Symbolic Name: MSVM_VMMS_WMI_NAMESPACE_NOT_REGISTERED_ERROR
Message: The WMI namespace '%1' is not registered in the CIM repository.

Resolve

Ensure VMMS is running and WMI registered

Ensure that the VMMS service is in the running state.

Common Information Model (CIM) classes are the parent classes upon which WMI classes are built.

The Managed Object Format (MOF) compiler parses a file containing MOF statements and adds the classes and class instances defined in the file to the WMI repository. If this event still appears in the event log, run following commands on the Hyper-V server:

mofcomp  %systemroot%\system32\WindowsVirtualization.mof

Mofcomp %systemroot%\system32\en-US\WindowsVirtualization.mfl

and then restart the VMMS service.

To restart the VMMS service:

1. Open a command prompt with local administrator privileges

2. Type the following command to stop the vmms service

net stop vmmsnet stop

If the service is not running, you will see the error "The Hyper-V Virtual Machine Management service is not started."

3. On the command prompt type the following command to start the vmms service

net start vmms

 If the service start starts you will see the message "The Hyper-V Virtual Management service was start successfully."

If you still see this event firing, re-install Hyper-V.

 

Verify

The nvspwmi service is displayed as running in the service control manager and the user is able to create and manage virtual switches.

NVSPWMI service

Hyper-V