batcmd.com Windows 7 Services

COM+ Event System - Windows 7 Service

Supports System Event Notification Service (SENS), which provides automatic distribution of events to subscribing Component Object Model (COM) components. If the service is stopped, SENS will close and will not be able to provide logon and logoff notifications. If this service is disabled, any services that explicitly depend on it will fail to start.

This service also exists in Windows 10, 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:COM+ Event System
Service name:EventSystem
Type:share
Path:%WinDir%\system32\svchost.exe -k LocalService
File:%WinDir%\system32\es.dll
Error control:normal
Object:NT AUTHORITY\LocalService
Privileges:
  • SeChangeNotifyPrivilege
  • SeImpersonatePrivilege

Default Behavior

The COM+ Event System service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the COM+ Event System 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 EventSystem service has failed to start.

Dependencies

COM+ Event System will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.

If the COM+ Event System is stopped, the following services will not start and initialize:

Restore Default Startup Type for COM+ Event System

Automated Restore

1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.

2. Save the RestoreCOMEventSystemWindows7.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 es.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.