Windows Audio - Windows 7 Service
Manages audio for Windows-based programs. If this service is stopped, audio devices and effects will not function properly. If this service is disabled, any services that explicitly depend on it will fail to start.
This service also exists in Windows 10, 11, 8, Vista and XP.
Startup Type
| Windows 7 edition | without SP | SP1 |
|---|---|---|
| Starter | Automatic | Automatic |
| Home Basic | Automatic | Automatic |
| Home Premium | Automatic | Automatic |
| Professional | Automatic | Automatic |
| Ultimate | Automatic | Automatic |
| Enterprise | Automatic | Automatic |
Default Properties
| Display name: | Windows Audio |
| Service name: | Audiosrv |
| Type: | share |
| Path: | %WinDir%\System32\svchost.exe -k LocalServiceNetworkRestricted |
| File: | %WinDir%\System32\Audiosrv.dll |
| Error control: | normal |
| Group: | AudioGroup |
| Object: | NT AUTHORITY\LocalService |
| Privileges: |
|
Default Behavior
The Windows Audio service runs as NT AUTHORITY\LocalService in a shared process. It shares the executable file with other services. If the Windows Audio fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Audiosrv service has failed to start.
Dependencies
Windows Audio will not start, if the following services are stopped or disabled:
Restore Default Startup Type of Windows Audio
Automated Restore
1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.
2. Save the RestoreWindowsAudioWindows7.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 Audiosrv.dll file exists in the %WinDir%\System32 folder. If this file is missing you can try to restore it from your Windows 7 installation media.