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V-93231

CAT III (Low)

Windows Server 2019 must have Secure Boot enabled.

Rule ID

SV-103319r1_rule

STIG

Windows Server 2019 Security Technical Implementation Guide

Version

V1R3

CCIs

CCI-000366

Discussion

Secure Boot is a standard that ensures systems boot only to a trusted operating system. Secure Boot is required to support additional security features in Windows, including Virtualization Based Security and Credential Guard. If Secure Boot is turned off, these security features will not function.

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Some older systems may not have UEFI firmware. This is currently a CAT III; it will be raised in severity at a future date when broad support of Windows hardware and firmware requirements are expected to be met. Devices that have UEFI firmware must have Secure Boot enabled.  

Run "System Information".

Under "System Summary", if "Secure Boot State" does not display "On", this is a finding.

On server core installations, run the following PowerShell command:

Confirm-SecureBootUEFI

If a value of "True" is not returned, this is a finding.

Fix Text

Enable Secure Boot in the system firmware.