Domain Controller authentication must not be required to unlock the workstation.

From Windows 8 Security Technical Implementation Guide

Part of Domain Controller authentication for unlock

Associated with IA controls: ECSC-1

SV-48077r1_rule Domain Controller authentication must not be required to unlock the workstation.

Vulnerability discussion

This setting controls the behavior of the system when there is an attempt to unlock the workstation. If this setting is enabled, the system will pass the credentials to the domain controller (if in a domain) for authentication before allowing the system to be unlocked. This may cause a denial of service if the workstation loses connectivity to the domain controller.

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Fix text

Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "Interactive logon: Require domain controller authentication to unlock workstation" to "Disabled".

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