The Deny log on as a service user right on member servers must be configured to prevent access from highly privileged domain accounts on domain systems. No other groups or accounts must be assigned this right.

From Windows 2003 Member Server Security Technical Implementation Guide

Associated with IA controls: ECLP-1

SV-47120r1_rule The Deny log on as a service user right on member servers must be configured to prevent access from highly privileged domain accounts on domain systems. No other groups or accounts must be assigned this right.

Vulnerability discussion

Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.The "Deny log on as a service" right defines accounts that are denied log on as a service. In an Active Directory Domain, denying logons to the Enterprise Admins and Domain Admins groups on lower trust systems helps mitigate the risk of privilege escalation from credential theft attacks which could lead to the compromise of an entire domain.Incorrect configurations could prevent services from starting and result in a DoS.

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Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> User Rights Assignment -> "Deny log on as a service" to include the following for domain joined systems. Enterprise Admins Group Domain Admins Group Configure the "Deny log on as a service" for non-domain systems to include no entries (blank).

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