To configure how a service is started
Right-click the service that you want to configure, and then click Properties.
On the General tab, in the Startup type box, click Automatic, Manual, or Disabled.
To specify the user account that the service can use to log on, click the Log On tab, and then do one of the following:
To specify that the service use the LocalSystem account, click Local System account.
To specify that the service use the LocalService account, click This account, and then type NT AUTHORITY\LocalService.
To specify that the service use the NetworkService account, click This account, and then type NT AUTHORITY\NetworkService.
To specify another account, click This account, click Browse, and then specify a user account in the Select User dialog box. When you are finished, click OK.
Type the password for the user account in the Password box and in the Confirm password box, and then click OK.
Changing the default service settings might prevent key services from running correctly. It is especially important to use caution when changing the Startup Type and Log On As settings of services that are configured to start automatically.
To open Services, click Start, click Control Panel, click Performance and Maintenance, click Administrative Tools, and then double-click Services.
You must be logged on as an administrator or a member of the Administrators group in order to complete this procedure. If your computer is connected to a network, network policy settings may also prevent you from completing this procedure.
If you enable or disable a service and you encounter a problem starting the computer, you might be able to start the computer in safe mode Then you can change the service configuration or restore the default configuration. For more information, see Related Topics.
If you select the Allow service to interact with desktop check box, the service is enabled to provide a user interface on a desktop. This feature is available only if you click Local System account and only if the service is configured to interact with the desktop.
For more information about the user accounts that a service uses to log on, see Related Topics.