Configure minimum PIN length for startup

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.

Minimum characters:

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