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How to Start/Stop COM+ Event System service

Service name: EventSystem

Display name: COM+ Event System


Description:

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.

Path to executable:

C:\WINDOWS\system32\svchost.exe -k LocalService -p

CMD:
This method shows you how to Start/Stop COM+ Event System service from Command Prompt

Perform the following steps:

Please go to Start and click on the Type here to search

Type cmd, right click on cmd icon under the Programs and click on Run as administrator

Services Regedit CMD Msconfig

Please confirm User Account Control pop-up

Please select, right and copy a registry key from below, then right click on command prompt window, select Paste and press Enter


To Start COM+ Event System service:

net start EventSystem

sc start EventSystem


Note: You can’t start a service if Startup type is on Disabled.


To Stop COM+ Event System service:

net stop EventSystem

sc stop EventSystem


To change Startup type:

Automatic:

REG add "HKLM\SYSTEM\CurrentControlSet\PerfHost\EventSystem" /v Start /t REG_DWORD /d 2 /f

sc config EventSystem start= auto

Manual:

REG add "HKLM\SYSTEM\CurrentControlSet\services\EventSystem" /v Start /t REG_DWORD /d 3 /f

sc config EventSystem start= demand

Disabled:

REG add "HKLM\SYSTEM\CurrentControlSet\services\EventSystem" /v Start /t REG_DWORD /d 4 /f

sc config EventSystem start= disabled

Automatic (Delayed Start):

REG add "HKLM\SYSTEM\CurrentControlSet\services\EventSystem" /v Start /t REG_DWORD /d 2 /f

sc config EventSystem start= delayed-auto


Note: When you change to Automatic (Delayed Start) a new key DelayedAutostart is created with value 1.

REG add "HKLM\SYSTEM\CurrentControlSet\services\EventSystem" /v DelayedAutostart /t REG_DWORD /d 1 /f


When you change to Automatic from Automatic (Delayed Start), DelayedAutostart change value to 0.

REG add "HKLM\SYSTEM\CurrentControlSet\services\EventSystem" /v DelayedAutostart /t REG_DWORD /d 0 /f