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Windows Server 2016 domain-joined systems must have a Trusted Platform Module (TPM) enabled and ready for use.


Overview

Finding ID Version Rule ID IA Controls Severity
V-224827 WN16-00-000100 SV-224827r902425_rule Medium
Description
Credential Guard uses virtualization-based security to protect data that could be used in credential theft attacks if compromised. A number of system requirements must be met for Credential Guard to be configured and enabled properly. Without a TPM enabled and ready for use, Credential Guard keys are stored in a less secure method using software.
STIG Date
Microsoft Windows Server 2016 Security Technical Implementation Guide 2023-08-22

Details

Check Text ( C-26518r902424_chk )
For standalone or nondomain-joined systems, this is NA.

Verify the system has a TPM and it is ready for use.

Run "tpm.msc".

Review the sections in the center pane.

"Status" must indicate it has been configured with a message such as "The TPM is ready for use" or "The TPM is on and ownership has been taken".

TPM Manufacturer Information - Specific Version = 2.0 or 1.2

If a TPM is not found or is not ready for use, this is a finding.
Fix Text (F-26506r465384_fix)
Ensure domain-joined systems have a TPM that is configured for use. (Versions 2.0 or 1.2 support Credential Guard.)

The TPM must be enabled in the firmware.

Run "tpm.msc" for configuration options in Windows.