Microsoft Passport - Windows 10 Service
Provides process isolation for cryptographic keys used to authenticate 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 logon and single-sign on for apps and websites. This service starts and stops automatically. It is recommended that you do not reconfigure this service.
This service also exists in Windows 11.
Startup Type
| Windows 10 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 1507 | Manual | Manual | Manual | Manual |
| 1511 | Manual | Manual | Manual | Manual |
| 1607 | Manual | Manual | Manual | Manual |
| 1703 | Manual | Manual | Manual | Manual |
| 1709 | Manual | Manual | Manual | Manual |
| 1803 | Manual | Manual | Manual | Manual |
| 1809 | Manual | Manual | Manual | Manual |
| 1903 | Manual | Manual | Manual | Manual |
| 1909 | Manual | Manual | Manual | Manual |
| 2004 | Manual | Manual | Manual | Manual |
| 20H2 | Manual | Manual | Manual | Manual |
| 21H1 | Manual | Manual | Manual | Manual |
| 21H2 | Manual | Manual | Manual | Manual |
| 22H2 | Manual | Manual | Manual | Manual |
Default Properties
| Display name: | Microsoft Passport |
| Service name: | NgcSvc |
| Type: | share |
| Path: | %WinDir%\system32\svchost.exe -k LocalSystemNetworkRestricted -p |
| File: | %WinDir%\system32\ngcsvc.dll |
| Error control: | normal |
| Group: | Cryptography |
| Object: | LocalSystem |
| Privileges: |
|
Default Behavior
The Microsoft Passport service is running as LocalSystem in a shared process of svchost.exe. Other services might run in the same process. If Microsoft Passport fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the NgcSvc service has failed to start.
Dependencies
Microsoft Passport is unable to start, if the Remote Procedure Call (RPC) service is stopped or disabled.
Restore Default Startup Type of Microsoft Passport
Automated Restore
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreMicrosoftPassportWindows10.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 ngcsvc.dll file exists in the %WinDir%\system32 folder. If this file is missing you can try to restore it from your Windows 10 installation media.