--- author: paolomatarazzo ms.author: paoloma ms.date: 10/30/2023 ms.topic: include --- ### Allow enhanced PINs for startup This setting permits the use of enhanced PINs when an unlock method that includes a PIN is used. Enhanced startup PINs permit the use of characters (including uppercase and lowercase letters, symbols, numbers, and spaces). > [!IMPORTANT] > Not all computers support enhanced PIN characters in the preboot environment. It's strongly recommended that users perform a system check during the BitLocker setup to verify that enhanced PIN characters can be used. | | Path | |--|--| | **CSP** | `./Device/Vendor/MSFT/BitLocker/`[SystemDrivesEnhancedPIN](/windows/client-management/mdm/bitlocker-csp#systemdrivesenhancedpin) | | **GPO** | **Computer Configuration** > **Administrative Templates** > **Windows Components** > **BitLocker Drive Encryption** > **Operating System Drives** |