STIGQter STIGQter: STIG Summary: Microsoft Windows Server 2025 Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 01 Jul 2026:

Windows Server 2025 must have the number of allowed bad logon attempts configured to three or less.

DISA Rule

SV-278034r1180808_rule

Vulnerability Number

V-278034

Group Title

SRG-OS-000021-GPOS-00005

Rule Version

WN25-AC-000020

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Account Policies >> Account Lockout Policy. Set "Account lockout threshold" to "3" or fewer invalid logon attempts (excluding "0", which is unacceptable).

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 >> Account Policies >> Account Lockout Policy.

If the "Account lockout threshold" is "0" or more than "3" attempts, this is a finding.

For server core installations, run the following command:

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

If "LockoutBadCount" equals "0" or is greater than "3" in the file, this is a finding.

Vulnerability Number

V-278034

Documentable

False

Rule Version

WN25-AC-000020

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 >> Account Policies >> Account Lockout Policy.

If the "Account lockout threshold" is "0" or more than "3" attempts, this is a finding.

For server core installations, run the following command:

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

If "LockoutBadCount" equals "0" or is greater than "3" in the file, this is a finding.

Check Content Reference

M

Target Key

5719