Software Licensing - Windows Vista Service
Enables the download, installation and enforcement of digital licenses for Windows and Windows applications. If the service is disabled, the operating system and licensed applications may run in a reduced function mode.
This service exists in Windows Vista only.
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: | Software Licensing |
| Service name: | slsvc |
| Type: | own |
| Path: | %WinDir%\system32\SLsvc.exe |
| Error control: | normal |
| Group: | ProfSvc_Group |
| Object: | NT AUTHORITY\NetworkService |
| Privileges: |
|
Default Behavior
The Software Licensing service starts as NT AUTHORITY\NetworkService and runs in its own process of SLsvc.exe. It does not share its process with other services. If Software Licensing 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 slsvc service has failed to start. If you disable this service, then 2 other services will be unable to start (see the "Dependencies" section below).
Dependencies
Software Licensing will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.
If the Software Licensing is stopped, the following services will not start and initialize:
Restore Default Startup Type of Software Licensing
Automated Restore
1. Select your Windows Vista edition and Service Pack, and then click on the Download button below.
2. Save the RestoreSoftwareLicensingWindowsVista.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 SLsvc.exe file exists in the %WinDir%\system32 folder. If this file is missing you can try to restore it from your Windows Vista installation media.