batcmd.com Windows Vista Services

WinHTTP Web Proxy Auto-Discovery Service - Windows Vista Service

WinHTTP implements the client HTTP stack and provides developers with a Win32 API and COM Automation component for sending HTTP requests and receiving responses. In addition, WinHTTP provides support for auto-discovering a proxy configuration via its implementation of the Web Proxy Auto-Discovery (WPAD) protocol.

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

Startup Type

Windows Vista edition without SP SP1 SP2
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Default Properties

Display name:WinHTTP Web Proxy Auto-Discovery Service
Service name:WinHttpAutoProxySvc
Type:share
Path:%WinDir%\system32\svchost.exe -k LocalService
File:winhttp.dll
Error control:normal
Object:NT AUTHORITY\LocalService
Privileges:
  • SeChangeNotifyPrivilege
  • SeCreateGlobalPrivilege
  • SeImpersonatePrivilege

Default Behavior

WinHTTP Web Proxy Auto-Discovery Service logs on as NT AUTHORITY\LocalService and runs in a shared process of svchost.exe. If WinHTTP Web Proxy Auto-Discovery Service 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 WinHttpAutoProxySvc service has failed to start.

Dependencies

WinHTTP Web Proxy Auto-Discovery Service will not start, if the DHCP Client is stopped or disabled.

Restore Default Startup Type for WinHTTP Web Proxy Auto-Discovery Service

Automated Restore

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

2. Save the RestoreWinHTTPWebProxyAutoDiscoveryServiceWindowsVista.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 winhttp.dll file exists in the folder. If this file is missing you can try to restore it from your Windows Vista installation media.