Where Does Windows Hello Store PIN Data?
Windows Hello PINs and biometrics anchor in the Ngc folder, guarded by the system against casual browsing.
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Windows Hello PINs and biometric templates anchor in a folder called Ngc under a service profile. The system guards it hard: even administrators get access denied browsing there normally.
That lock is the security point. PIN data never roams in plain form, and wiping the folder revokes the credential without touching the password. PIN troubles end with deleting the folder contents and re-enrolling, which beats every other fix people try first.
Where Windows stores this, by platform
C:\Windows\ServiceProfiles\LocalService\AppData\Local\Microsoft\Ngc
Hello PIN and biometric data. Inaccessible even to admins during normal use. Delete contents to reset broken PINs, then re-enroll with the account password.
Frequently asked questions
My PIN stopped working. How do I reset it?
Delete the Ngc folder contents from recovery or another admin context, then sign in with the password and re-add the PIN. The folder rebuilds cleanly on next enrollment.
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