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@ -134,7 +134,7 @@ Increasing the PIN length requires a greater number of guesses for an attacker.
In that case, the lockout duration between each guess can be shortened to allow legitimate users to retry a failed attempt sooner, while maintaining a similar level of protection.
Beginning with Windows 10, version 1703, the minimum length for the BitLocker PIN was increased to 6 characters to better align with other Windows features that leverage TPM 2.0, including Windows Hello.
To help organizations with the transition, with Windows 10, version 1703 with the October 2017 [cumulative update](https://support.microsoft.com/help/4018124) installed,Windows 10, version 1709 and higher, and Windows 11, the BitLocker PIN length is 6 characters by default, but it can be reduced to 4 characters.
To help organizations with the transition, with Windows 10, version 1703 with the October 2017 [cumulative update](https://support.microsoft.com/help/4018124) installed, Windows 10, version 1709 and higher, and Windows 11, the BitLocker PIN length is 6 characters by default, but it can be reduced to 4 characters.
If the minimum PIN length is reduced from the default of six characters, then the TPM 2.0 lockout period will be extended.
### TPM-based smart cards
@ -152,4 +152,4 @@ The Windows TPM-based smart card, which is a virtual smart card, can be configur
- [Trusted Platform Module](trusted-platform-module-top-node.md) (list of topics)
- [TPM Cmdlets in Windows PowerShell](/powershell/module/trustedplatformmodule/)
- [TPM WMI providers](/windows/win32/secprov/security-wmi-providers-reference)
- [Prepare your organization for BitLocker: Planning and Policies - TPM configurations](../bitlocker/prepare-your-organization-for-bitlocker-planning-and-policies.md#tpm-hardware-configurations)
- [Prepare your organization for BitLocker: Planning and Policies - TPM configurations](../bitlocker/prepare-your-organization-for-bitlocker-planning-and-policies.md#tpm-hardware-configurations)