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.

Policy path: 

Windows Components\BitLocker Drive Encryption\Operating System Drives

Scope: 

Machine

Supported on: 

At least Windows Server 2008 R2 or Windows 7

Registry settings: 

HKLM\Software\Policies\Microsoft\FVE!MinimumPIN

Filename: 

VolumeEncryption.admx