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Configure use of passwords for removable data drives



This policy setting specifies whether a password is required to unlock BitLocker-protected removable data drives. If you choose to allow use of a password you can require a password to be used enforce complexity requirements and configure a minimum length. For the complexity requirement setting to be effective the Group Policy setting “Password must meet complexity requirements” located in Computer Configuration -> Windows Settings -> Security Settings -> Account Policies -> Password Policy -> must be also enabled. Note: These settings are enforced when turning on BitLocker not when unlocking a volume. BitLocker will allow unlocking a drive with any of the protectors available on the drive. If you enable this policy setting users can configure a password that meets the requirements that you define. To require the use of a password select “Require password for removable data drive”. To enforce complexity requirements on the password select “Require complexity”. When set to “Require complexity” a connection to a domain controller is necessary when BitLocker is enabled to validate the complexity the password. When set to “Allow complexity” a connection to a domain controller will be attempted to validate the complexity adheres to the rules set by the policy but if no domain controllers are found the password will still be accepted regardless of actual password complexity and the drive will be encrypted using that password as a protector. When set to “Do not allow complexity” no password complexity validation will be done. Passwords must be at least 8 characters. To configure a greater minimum length for the password enter the desired number of characters in the “Minimum password length” box. If you disable this policy setting the user is not allowed to use a password. If you do not configure this policy setting passwords will be supported with the default settings which do not include password complexity requirements and require only 8 characters. Note: Passwords cannot be used if FIPS-compliance is enabled. The “System cryptography: Use FIPS-compliant algorithms for encryption hashing and signing” policy setting in Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options specifies whether FIPS-compliance is enabled.


Additional Information

  1. Registry path is:

    HKEY_LOCAL_MACHINE -> Software -> Policies -> Microsoft -> FVE # RDVPassphrase; HKEY_LOCAL_MACHINE -> Software -> Policies -> Microsoft -> FVE # RDVEnforcePassphrase HKEY_LOCAL_MACHINE -> Software -> Policies -> Microsoft -> FVE # RDVPassphraseComplexity HKEY_LOCAL_MACHINE -> Software -> Policies -> Microsoft -> FVE # RDVPassphraseLength

  2. The Administrative Template path is:

    Windows Components -> BitLocker Drive Encryption -> Removable Data Drives

Notes

* Making mistakes while changing registry values can affect your system adversely. We recommend you to create a System Restore point before making registry manipulation. If you're new to Registry Editor, read this beginner's guide.
** To locate the registry and administrative template path, checkout beginner's guide.
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