Require additional authentication at startup (Windows Server 2008 and Windows Vista): registry value EnableNonTPM and 2 moreComputerHKLM\Software\Policies\Microsoft\FVE
- Policy ID
- ConfigureStartupUsage_Name
- Scope
- Computer Configuration
- Supported on
- Windows Server 2008 and Windows Vista
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- Windows Components › BitLocker Drive Encryption › Operating System Drives
Registry
EnableNonTPM
REG_DWORDComputerHKLM\SOFTWARE\Policies\Microsoft\FVE Current key
- Checked
- 1
- Unchecked
- 0
- Element
- Allow BitLocker without a compatible TPM (requires a password or a startup key on a USB flash drive)
- Value type
- REG_DWORD
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\FVE] ; Options (use only one) ; Checked "EnableNonTPM"=dword:00000001 ; Unchecked "EnableNonTPM"=dword:00000000
CMD
:: Options (use only one) :: Checked reg add "HKLM\SOFTWARE\Policies\Microsoft\FVE" /v "EnableNonTPM" /t REG_DWORD /d 1 /f :: Unchecked reg add "HKLM\SOFTWARE\Policies\Microsoft\FVE" /v "EnableNonTPM" /t REG_DWORD /d 0 /f
PowerShell
# Common: create the key New-Item -Path 'HKLM:\SOFTWARE\Policies\Microsoft\FVE' -Force | Out-Null # Options (use only one) # Checked New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\FVE' -Name 'EnableNonTPM' -PropertyType DWord -Value 1 -Force | Out-Null # Unchecked New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\FVE' -Name 'EnableNonTPM' -PropertyType DWord -Value 0 -Force | Out-Null
UsePartialEncryptionKey
REG_DWORDComputerHKLM\SOFTWARE\Policies\Microsoft\FVE Current key
- Enabled value
- Depends on the option value
- Element
- Configure TPM startup key:
| Item | Stored value |
|---|---|
| Allow startup key with TPM | 2 |
| Require startup key with TPM | 1 |
| Do not allow startup key with TPM | 0 |
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\FVE] ; Options (use only one) ; Allow startup key with TPM "UsePartialEncryptionKey"=dword:00000002 ; Require startup key with TPM "UsePartialEncryptionKey"=dword:00000001 ; Do not allow startup key with TPM "UsePartialEncryptionKey"=dword:00000000
CMD
:: Options (use only one) :: Allow startup key with TPM reg add "HKLM\SOFTWARE\Policies\Microsoft\FVE" /v "UsePartialEncryptionKey" /t REG_DWORD /d 2 /f :: Require startup key with TPM reg add "HKLM\SOFTWARE\Policies\Microsoft\FVE" /v "UsePartialEncryptionKey" /t REG_DWORD /d 1 /f :: Do not allow startup key with TPM reg add "HKLM\SOFTWARE\Policies\Microsoft\FVE" /v "UsePartialEncryptionKey" /t REG_DWORD /d 0 /f
PowerShell
# Common: create the key New-Item -Path 'HKLM:\SOFTWARE\Policies\Microsoft\FVE' -Force | Out-Null # Options (use only one) # Allow startup key with TPM New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\FVE' -Name 'UsePartialEncryptionKey' -PropertyType DWord -Value 2 -Force | Out-Null # Require startup key with TPM New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\FVE' -Name 'UsePartialEncryptionKey' -PropertyType DWord -Value 1 -Force | Out-Null # Do not allow startup key with TPM New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\FVE' -Name 'UsePartialEncryptionKey' -PropertyType DWord -Value 0 -Force | Out-Null
UsePIN
REG_DWORDComputerHKLM\SOFTWARE\Policies\Microsoft\FVE Current key
- Enabled value
- Depends on the option value
- Element
- Configure TPM startup PIN:
| Item | Stored value |
|---|---|
| Allow startup PIN with TPM | 2 |
| Require startup PIN with TPM | 1 |
| Do not allow startup PIN with TPM | 0 |
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\FVE] ; Options (use only one) ; Allow startup PIN with TPM "UsePIN"=dword:00000002 ; Require startup PIN with TPM "UsePIN"=dword:00000001 ; Do not allow startup PIN with TPM "UsePIN"=dword:00000000
CMD
:: Options (use only one) :: Allow startup PIN with TPM reg add "HKLM\SOFTWARE\Policies\Microsoft\FVE" /v "UsePIN" /t REG_DWORD /d 2 /f :: Require startup PIN with TPM reg add "HKLM\SOFTWARE\Policies\Microsoft\FVE" /v "UsePIN" /t REG_DWORD /d 1 /f :: Do not allow startup PIN with TPM reg add "HKLM\SOFTWARE\Policies\Microsoft\FVE" /v "UsePIN" /t REG_DWORD /d 0 /f
PowerShell
# Common: create the key New-Item -Path 'HKLM:\SOFTWARE\Policies\Microsoft\FVE' -Force | Out-Null # Options (use only one) # Allow startup PIN with TPM New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\FVE' -Name 'UsePIN' -PropertyType DWord -Value 2 -Force | Out-Null # Require startup PIN with TPM New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\FVE' -Name 'UsePIN' -PropertyType DWord -Value 1 -Force | Out-Null # Do not allow startup PIN with TPM New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\FVE' -Name 'UsePIN' -PropertyType DWord -Value 0 -Force | Out-Null