batcmd.com Windows Vista Services

Base Filtering Engine - Windows Vista Service

The Base Filtering Engine (BFE) is a service that manages firewall and Internet Protocol security (IPsec) policies and implements user mode filtering. Stopping or disabling the BFE service will significantly reduce the security of the system. It will also result in unpredictable behavior in IPsec management and firewall applications.

This service also exists in Windows 10, 7 and 8.

Startup Type

Windows Vista edition without SP SP1 SP2
Starter Automatic Automatic Automatic
Home Basic Automatic Automatic Automatic
Home Premium Automatic Automatic Automatic
Business Automatic Automatic Automatic
Ultimate Automatic Automatic Automatic

Default Properties

Display name:Base Filtering Engine
Service name:BFE
Type:share
Path:%WinDir%\system32\svchost.exe -k LocalServiceNoNetwork
File:%WinDir%\System32\bfe.dll
Error control:normal
Group:NetworkProvider
Object:NT AUTHORITY\LocalService
Privileges:
  • SeAuditPrivilege
  • SeImpersonatePrivilege

Default Behavior

Base Filtering Engine logs on as NT AUTHORITY\LocalService and runs in a shared process of svchost.exe. If Base Filtering Engine fails to start, the error is recorded into the Event Log. Windows Vista startup proceeds, but a message box is displayed informing you that the BFE service has failed to start. If you disable this service, then 5 other services will be unable to start (see the "Dependencies" section below).

Dependencies

Base Filtering Engine will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.

If the Base Filtering Engine is stopped, the following services will not start and initialize:

Restore Default Startup Type for Base Filtering Engine

Automated Restore

1. Select your Windows Vista edition and Service Pack, and then click on the Download button below.

2. Save the RestoreBaseFilteringEngineWindowsVista.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 bfe.dll file exists in the %WinDir%\System32 folder. If this file is missing you can try to restore it from your Windows Vista installation media.