STIGQter: STIG Summary: Microsoft Windows Server 2016 Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 04 May 2021:

Windows Server 2016 built-in guest account must be renamed.

DISA Rule

SV-225027r569186_rule

Vulnerability Number

V-225027

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

WN16-SO-000040

Severity

CAT II

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Accounts: Rename guest account" to a name other than "Guest".

Check Contents

Verify the effective setting in Local Group Policy Editor.

Run "gpedit.msc".

Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options.

If the value for "Accounts: Rename guest account" is not set to a value other than "Guest", this is a finding.

For server core installations, run the following command:

Secedit /Export /Areas SecurityPolicy /CFG C:\Path\FileName.Txt

If "NewGuestName" is not something other than "Guest" in the file, this is a finding.

Vulnerability Number

V-225027

Documentable

False

Rule Version

WN16-SO-000040

Severity Override Guidance

Verify the effective setting in Local Group Policy Editor.

Run "gpedit.msc".

Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options.

If the value for "Accounts: Rename guest account" is not set to a value other than "Guest", this is a finding.

For server core installations, run the following command:

Secedit /Export /Areas SecurityPolicy /CFG C:\Path\FileName.Txt

If "NewGuestName" is not something other than "Guest" in the file, this is a finding.

Check Content Reference

M

Target Key

4205

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