This policy setting allows you to configure a minimum length for a Trusted Platform Module (TPM) startup PIN. This policy setting is applied when you turn on BitLocker. The startup PIN must have a minimum length of 4 digits and can have a maximum length of 20 digits.
If you enable this policy setting, you can require a minimum number of digits to be used when setting the startup PIN.
If you disable or do not configure this policy setting, users can configure a startup PIN of any length between 4 and 20 digits.
Registry Hive | HKEY_LOCAL_MACHINE |
Registry Path | Software\Policies\Microsoft\FVE |
Value Name | MinimumPIN |
Value Type | REG_DWORD |
Default Value | 4 |
Min Value | 4 |
Max Value | 20 |