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How to Start/Stop Microsoft Passport

Service name: NgcSvc

Display name: Microsoft Passport


Provides process isolation for cryptographic keys used to provide authentication to a user’s associated identity providers. If this service
is disabled, all uses and management of these keys will not be available, which includes machine log-on and single sign-on for apps and
websites. This service starts and stops automatically. It is recommended that you do not reconfigure this service.

Path to executable:

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

This method shows you how to Start/Stop Microsoft Passport 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 Microsoft Passport service:

net start NgcSvc

sc start NgcSvc

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

To Stop Microsoft Passport service:

net stop NgcSvc

sc stop NgcSvc

To change Startup type:


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

sc config NgcSvc start= auto


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

sc config NgcSvc start= demand


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

sc config NgcSvc start= disabled

Automatic (Delayed Start):

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

sc config NgcSvc 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\NgcSvc" /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\NgcSvc" /v DelayedAutostart /t REG_DWORD /d 0 /f