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security settingsComputer Configuration Disabled

Accounts: Guest Account Status

The built-in Guest account should always remain disabled.

10 May 20264 min
Policy path
Computer Configuration > Windows Settings > Security Settings > Local Policies > Security Options
Supported on
Windows 10, Windows 11, Windows Server 2016 and later

The built-in Guest account should always remain disabled. Security baselines recommend setting it to Disabled.

Description

Accounts: Guest Account Status is a Windows Group Policy setting located under Computer Configuration > Windows Settings > Security Settings > Local Policies > Security Options. It applies to the Computer Configuration branch and is classified as a Critical-level policy in the Local Policies category.

The built-in Guest account should always remain disabled.

Microsoft sets the default value to Disabled while industry security baselines (CIS, NIST, DISA STIG) recommend Disabled.

In-depth explanation

This is a critical security control. Misconfiguration creates an exploitable attack path that adversaries actively scan for, and a single overlooked endpoint can compromise the entire fleet. Treat it as a hard baseline requirement rather than an optional tuning knob.

The policy is grouped under Local Policies – Security Options, which means it is typically applied through a domain-wide GPO linked at the OU level. In a multi-tenant MSP context, scope it through WMI filters or security group filtering rather than linking at the domain root, so that you can roll out progressively (pilot OU → wider rings → all production).

The setting takes effect after the next Group Policy refresh (gpupdate /force for immediate testing, or by default within ~90 minutes for workstations and ~5 minutes on domain controllers). For computer-side policies a reboot may be required; for user-side policies, a sign-off/sign-on cycle is enough.

Use cases

  • Apply organization-wide hardening of local policies on all domain-joined Windows endpoints.
  • Roll out a CIS Benchmark-aligned baseline targeting 'Accounts: Guest Account Status' via a dedicated GPO.
  • Reduce attack surface for accounts that handle privileged credentials or sensitive data.
  • Standardize the configuration across multiple customer tenants for an MSP-managed fleet.

Security implications

Failing to enforce this policy creates a documented attack path that adversaries actively probe – think Pass-the-Hash, Kerberoasting, NTLM relay, RDP brute-force, LSASS dumping, or token impersonation, depending on the specific control. A single misconfigured endpoint can be enough to pivot to a Domain Admin compromise.

If this policy must remain at default for a legitimate compatibility reason, compensate with a strong detection rule in your EDR/SIEM, isolate the endpoint in its own VLAN, and document the exception with a target remediation date.

How to configure

  1. Open Group Policy Management Console (gpmc.msc) on a domain controller or a workstation with RSAT installed.
  2. Create or edit a GPO linked to the OU containing the target computer configurations. We recommend a dedicated baseline GPO (e.g. SEC – Local Policies) instead of editing Default Domain Policy.
  3. Navigate to Computer Configuration > Windows Settings > Security Settings > Local Policies > Security Options.
  4. Open Accounts: Guest Account Status and set it to Disabled.
  5. Click OK and close the editor.
  6. On the target endpoint, run gpupdate /force (or wait for the next refresh cycle), then verify with rsop.msc or gpresult /h report.html.

Frequently asked questions

What does the Accounts: Guest Account Status Group Policy do?
The built-in Guest account should always remain disabled.
Where do I find this setting in the GPO editor?
Open <code>gpmc.msc</code>, then navigate to <code>Computer Configuration > Windows Settings > Security Settings > Local Policies > Security Options</code> and look for <strong>Accounts: Guest Account Status</strong>.
What is the Microsoft default value?
<code>Disabled</code> on a fresh Windows install. Domain-joined machines may inherit a different value if a baseline GPO is already in place.
What value do security baselines recommend?
<code>Disabled</code> – aligned with CIS, NIST, and DISA STIG guidance for current Windows versions.
How quickly does the change take effect?
After the next Group Policy refresh — run <code>gpupdate /force</code> for immediate testing or wait ~90 minutes for workstations / ~5 minutes for domain controllers. Some computer-side policies require a reboot, and some user-side policies require sign-off/sign-on.