Windows Management Instrumentation (Winmgmt) Service Defaults in Windows 7

Provides a common interface and object model to access management information about operating system, devices, applications and services. If this service is stopped, most Windows-based software will not function properly. If this service is disabled, any services that explicitly depend on it will fail to start.

Default Settings

Startup type:Automatic
Display name:Windows Management Instrumentation
Service name:Winmgmt
Service type:share
Error control:ignore
Object:localSystem
Path:%SystemRoot%\system32\svchost.exe -k netsvcs
File:%SystemRoot%\system32\wbem\WMIsvc.dll
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Winmgmt

Default Behavior

Windows Management Instrumentation is a Win32 service. In Windows 7 it is starting automatically on the operating system startup. Then the Windows Management Instrumentation service is running as localSystem in a shared process of svchost.exe. Other system components, such as drivers and services, may run in the same process. If Windows Management Instrumentation fails to load or initialize, Windows 7 startup continues without error messages. The failure details are being written into Event Log.

Dependencies

Windows Management Instrumentation is unable to start, if the Remote Procedure Call (RPC) service is stopped or disabled.

If Windows Management Instrumentation is stopped, the following services cannot start:

Restore Default Startup Configuration for Windows Management Instrumentation

Before you begin doing this, make sure that all the services on which Windows Management Instrumentation 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 commands below, paste them into the command window and press ENTER:

sc config Winmgmt start= auto
sc start Winmgmt

3. Close the command window and restart the computer.

The Winmgmt service is using the WMIsvc.dll file that is located in the %WinDir%\system32\wbem folder. If the file is changed, damaged or deleted, you can restore its original version from Windows 7 installation media.