Security Policy Errors

How to Fix Defender Vulnerability Management CIS Baseline Results

Partner Editor Sep 27, 2026 869 views

Question details

Users need to resolve inaccurate CIS 2.0 password-policy findings reported by Microsoft Defender Vulnerability Management on domain controllers.

How to Fix Defender Vulnerability Management CIS Baseline Results

Product: Microsoft Defender Vulnerability Management
Device & OS: not provided
Scenario: Reviewing security compliance and CIS baseline results for domain controllers.
Observed behavior: Defender reports incorrect CIS 2.0 password-policy findings even when the setting is enabled in the Default Domain Policy.

Before you start

Ensure you have administrative privileges on the domain controllers to run policy evaluation tools and review applied group policies.

Solution 1Recommended

Check the Resultant Set of Policy (RSOP) on Domain Controllers

Verify the effective policy applied to the domain controller, as Defender evaluates the resulting policies rather than just the configured Default Domain Policy.

Microsoft Defender Vulnerability Management checks the effective policies acting on a machine. If conflicting Group Policy Objects (GPOs) are applied at different levels, the effective policy may differ from your Default Domain Policy, triggering a false positive or incorrect CIS finding.

Open the Run dialog

Press Windows + R on the affected domain controller to open the Run dialog box.

Run the RSOP tool

Type 'rsop.msc' and press Enter to launch the Resultant Set of Policy snap-in.

Review effective password policies

Navigate to Computer Configuration > Windows Settings > Security Settings > Account Policies > Password Policy and verify the effective settings applied.

Use gpresult command (Alternative)

Open Command Prompt as Administrator and run 'gpresult /h report.html' to generate a detailed HTML report of applied policies.

Effective Policy Evaluation: Defender evaluates the actual policy enforced on the endpoint. Ensure no other GPOs are overriding your CIS 2.0 settings.

Solution 2

Consult Microsoft Defender Community and Support

Reach out to specialized Microsoft communities if the RSOP confirms correct policies but Defender still reports errors.

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Frequently Asked Questions

Why does Defender show a failed CIS password policy when it is set in Default Domain Policy?

Defender evaluates the Resultant Set of Policy (RSOP). If another GPO with higher precedence overrides the Default Domain Policy, the effective policy will fail the CIS baseline check.

How do I force a Group Policy update on a domain controller?

Open an elevated Command Prompt on the domain controller, type 'gpupdate /force', and press Enter to immediately apply the latest Group Policy settings.

Where can I report false positives in Microsoft Defender Vulnerability Management?

You can report inaccuracies or seek product-specific assistance on the Microsoft Learn platform or the Microsoft Defender for Endpoint Tech Community.

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