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Windows Driver Foundation – User-mode Driver Framework

General Information

With a Microsoft Security Update posted on August 2, 2010, this service has been modified from Manual to Automatic and can no longer be changed using services.msc. In Windows 8, this is not the case.

Windows 8

Default Description

Manages user-mode driver host processes.

Additional Information

None at this time.

Default Startup Type

OS SP0
Windows 8 x86 Manual (Trigger Start)
Windows 8 x64 Manual (Trigger Start)
Windows 8 Pro x86 Manual (Trigger Start)
Windows 8 Pro x64 Manual (Trigger Start)
Windows 8 Enterprise x86 Manual (Trigger Start)
Windows 8 Enterprise x64 Manual (Trigger Start)

Service Names

Service Name (registry): wudfsvc
Display Name: Windows Driver Foundation – User-mode Driver Framework

Default Path and Command Line Options

C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted

Log On As

Account: Local System account

Dependencies

Note: No dependencies are listed for any service in the WDP build I used to draft this information.

Windows 7

Default Description

Manages user-mode driver host processes.

Additional Information

User-mode driver framework is a method of having drivers ran in “user space” instead of “kernel space.” This provides better system stability due to a situation of a driver crashing, it only brings down the driver and not the system. Such possible devices include cameras, media players, PDA’s and other USB connected devices.

Default Startup Type

OS SP0 SP1
Windows 7 Starter Automatic Manual
Windows 7 Home Basic Automatic Manual
Windows 7 Home Premium Automatic Manual
Windows 7 Professional Automatic Manual
Windows 7 Ultimate Automatic Manual
Windows 7 Enterprise Automatic Manual

Service Names

Service Name (registry): wudfsvc
Display Name: Windows Driver Foundation – User-mode Driver Framework

Default Path and Command Line Options

C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted

Log On As

Account: Local System account

Dependencies

What service Windows Driver Foundation – User-mode Driver Framework needs to function properly:

  • Plug and Play (S, HB, HP, P, U, E)
  • User Mode Driver Frameworks Platform Driver (S, HB, HP, P, U, E)

What other service require Windows Driver Foundation – User-mode Driver Framework to function properly:

Windows Vista

Default Description

Manages user-mode driver host processes.

Additional Information

User-mode driver framework is a method of having drivers ran in “user space” instead of “kernal space.” This provides better system stability due to a situation of a driver crashing, it only brings down the driver and not the system. Such possible devices include cameras, media players, PDA’s and other USB connected devices. This service uses about 8MB to 9MB of RAM.

Default Startup Type

OS SP0 SP1 SP2
Vista Home Basic Automatic Automatic Automatic
Vista Home Premium Automatic Automatic Automatic
Vista Business Automatic Automatic Automatic
Vista Ultimate Automatic Automatic Automatic
Vista Enterprise Automatic Automatic Automatic

Service Names

Service Name (registry): wudfsvc
Display Name: Windows Driver Foundation – User-mode Driver Framework

Default Path and Command Line Options

C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted

Log On As

Account: Local System Account

Dependencies

What service Windows Driver Foundation – User-mode Driver Framework needs to function properly:

What other service require Windows Driver Foundation – User-mode Driver Framework to function properly:

  • None (HB, HP, B, U)

Additional Reading