The Deny log on as a service user right must be configured to include no accounts or groups (blank) on domain controllers.

From Windows Server 2016 Security Technical Implementation Guide

Part of SRG-OS-000080-GPOS-00048

Associated with: CCI-000213

SV-88429r1_rule The Deny log on as a service user right must be configured to include no accounts or groups (blank) on domain controllers.

Vulnerability discussion

Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities.The "Deny log on as a service" user right defines accounts that are denied logon as a service.Incorrect configurations could prevent services from starting and result in a denial of service.

Check content

This applies to domain controllers. A separate version applies to other systems. 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 >> User Rights Assignment. If any accounts or groups are defined for the "Deny log on as a service" user right, this is a finding.

Fix text

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment >> "Deny log on as a service" to include no entries (blank).

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