ServiceAccount Enum

Definition

Specifies a service's security context, which defines its logon type.

public enum class ServiceAccount
public enum ServiceAccount
type ServiceAccount = 
Public Enum ServiceAccount
Inheritance
ServiceAccount

Fields

LocalService 0

An account that acts as a non-privileged user on the local computer, and presents anonymous credentials to any remote server.

LocalSystem 2

An account, used by the service control manager, that has extensive privileges on the local computer and acts as the computer on the network.

NetworkService 1

An account that provides extensive local privileges, and presents the computer's credentials to any remote server.

User 3

An account defined by a specific user on the network. Specifying User for the Account member causes the system to prompt for a valid user name and password when the service is installed, unless you set values for both the Username and Password properties of your ServiceProcessInstaller instance.

Examples

The following code example demonstrates how to use the ServiceAccount enumeration to install new programs by using the system account's security context.

#using <System.dll>
#using <System.ServiceProcess.dll>
#using <System.Configuration.Install.dll>

using namespace System;
using namespace System::Collections;
using namespace System::Configuration::Install;
using namespace System::ServiceProcess;
using namespace System::ComponentModel;

[RunInstaller(true)]
public ref class MyProjectInstaller : public Installer
{
private:
    ServiceInstaller^ serviceInstaller1;
    ServiceInstaller^ serviceInstaller2;
    ServiceProcessInstaller^ processInstaller;

public:
    MyProjectInstaller()
    {
        // Instantiate installers for process and services.
        processInstaller = gcnew ServiceProcessInstaller;
        serviceInstaller1 = gcnew ServiceInstaller;
        serviceInstaller2 = gcnew ServiceInstaller;

        // The services run under the system account.
        processInstaller->Account = ServiceAccount::LocalSystem;

        // The services are started manually.
        serviceInstaller1->StartType = ServiceStartMode::Manual;
        serviceInstaller2->StartType = ServiceStartMode::Manual;

        // ServiceName must equal those on ServiceBase derived classes.
        serviceInstaller1->ServiceName = "Hello-World Service 1";
        serviceInstaller2->ServiceName = "Hello-World Service 2";

        // Add installers to collection. Order is not important.
        Installers->Add( serviceInstaller1 );
        Installers->Add( serviceInstaller2 );
        Installers->Add( processInstaller );
    }

    static void Main()
    {
        Console::WriteLine("Usage: InstallUtil.exe [<service>.exe]");
    }
};

int main()
{
    MyProjectInstaller::Main();
}
using System;
using System.Collections;
using System.Configuration.Install;
using System.ServiceProcess;
using System.ComponentModel;

[RunInstaller(true)]
public class MyProjectInstaller : Installer
{
    private ServiceInstaller serviceInstaller1;
    private ServiceInstaller serviceInstaller2;
    private ServiceProcessInstaller processInstaller;

    public MyProjectInstaller()
    {
        // Instantiate installers for process and services.
        processInstaller = new ServiceProcessInstaller();
        serviceInstaller1 = new ServiceInstaller();
        serviceInstaller2 = new ServiceInstaller();

        // The services run under the system account.
        processInstaller.Account = ServiceAccount.LocalSystem;

        // The services are started manually.
        serviceInstaller1.StartType = ServiceStartMode.Manual;
        serviceInstaller2.StartType = ServiceStartMode.Manual;

        // ServiceName must equal those on ServiceBase derived classes.
        serviceInstaller1.ServiceName = "Hello-World Service 1";
        serviceInstaller2.ServiceName = "Hello-World Service 2";

        // Add installers to collection. Order is not important.
        Installers.Add(serviceInstaller1);
        Installers.Add(serviceInstaller2);
        Installers.Add(processInstaller);
    }

    public static void Main()
    {
        Console.WriteLine("Usage: InstallUtil.exe [<service>.exe]");
    }
}

Imports System.Collections
Imports System.Configuration.Install
Imports System.ServiceProcess
Imports System.ComponentModel

<RunInstallerAttribute(True)> _
Public Class MyProjectInstaller
    Inherits Installer
    Private serviceInstaller1 As ServiceInstaller
    Private serviceInstaller2 As ServiceInstaller
    Private processInstaller As ServiceProcessInstaller    
    
    Public Sub New()
        ' Instantiate installers for process and services.
        processInstaller = New ServiceProcessInstaller()
        serviceInstaller1 = New ServiceInstaller()
        serviceInstaller2 = New ServiceInstaller()
        
        ' The services will run under the system account.
        processInstaller.Account = ServiceAccount.LocalSystem
        
        ' The services will be started manually.
        serviceInstaller1.StartType = ServiceStartMode.Manual
        serviceInstaller2.StartType = ServiceStartMode.Manual
        
        ' ServiceName must equal those on ServiceBase derived classes.            
        serviceInstaller1.ServiceName = "Hello-World Service 1"
        serviceInstaller2.ServiceName = "Hello-World Service 2"
        
        ' Add installers to collection. Order is not important.
        Installers.Add(serviceInstaller1)
        Installers.Add(serviceInstaller2)
        Installers.Add(processInstaller)
    End Sub

    Public Shared Sub Main()
        Console.WriteLine("Usage: InstallUtil.exe [<service>.exe]")
    End Sub
End Class

Remarks

Use the ServiceAccount enumeration when you initialize a ServiceProcessInstaller to specify the security context of the service you are installing. The security context indicates the privileges a service has on the system and how the services act on the network (for example, whether the service presents the computer's credentials or anonymous credentials to remote servers). The ServiceAccount enumeration provides a range of privileges so that you can specify exactly the privileges you need for any particular service.

The LocalSystem value defines a highly privileged account, but most services do not require such an elevated privilege level. The LocalService and NetworkService enumeration members provide a lower privilege level for the security context.

Note

The values LocalService and NetworkService are available only on Windows XP and Windows Server 2003 family.

Applies to

See also