Windows Biometric Service (WbioSrvc) Defaults in Windows 8

The Windows biometric service gives client applications the ability to capture, compare, manipulate, and store biometric data without gaining direct access to any biometric hardware or samples. The service is hosted in a privileged SVCHOST process.

Default Settings

Startup type:Manual
Display name:Windows Biometric Service
Service name:WbioSrvc
Service type:share
Error control:normal
Group:SmartCardGroup
Object:LocalSystem
Path:%SystemRoot%\system32\svchost.exe -k WbioSvcGroup
File:%SystemRoot%\System32\wbiosrvc.dll
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WbioSrvc
Privileges:
  • SeAssignPrimaryTokenPrivilege
  • SeIncreaseQuotaPrivilege
  • SeTcbPrivilege
  • SeBackupPrivilege
  • SeRestorePrivilege
  • SeDebugPrivilege
  • SeAuditPrivilege
  • SeChangeNotifyPrivilege
  • SeImpersonatePrivilege

Default Behavior

Windows Biometric Service is a Win32 service. In Windows 8 it will not be started until the user starts it. When the Windows Biometric Service is started, it runs as LocalSystem in a process of svchost.exe, sharing it with other services. If Windows Biometric Service fails to start, the error details are added to Windows 8 error log. When the operating system startup is complete, the user is being notified that the WbioSrvc service hasn't been started.

Dependencies

Windows Biometric Service can't start, if any service from the list below is disabled or not available:

Restore Default Startup Configuration for Windows Biometric Service

1. Select your Windows 8 edition and update pack, and then click Download.

2. Save the Win8_WbioSrvc_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The WbioSrvc service is using the wbiosrvc.dll file that is located in the %WinDir%\System32 folder. If the file is corrupted or deleted, you can put it back in there.