Title

Windows Server 2019 Add workstations to domain user right must only be assigned to the Administrators group on domain controllers. (Cat II impact)

Discussion

Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities. Accounts with the "Add workstations to domain" right may add computers to a domain. This could result in unapproved or incorrectly configured systems being added to a domain.

Check Content

This applies to domain controllers. It is NA for 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 other than the following are granted the "Add workstations to domain" right, this is a finding. - Administrators For server core installations, run the following command: Secedit /Export /Areas User_Rights /cfg c:\path\filename.txt Review the text file. If any SIDs other than the following are granted the "SeMachineAccountPrivilege" user right, this is a finding. S-1-5-32-544 (Administrators)

Fix Text

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment >> "Add workstations to domain" to include only the following accounts or groups: - Administrators

Additional Identifiers

Rule ID: SV-205744r877392_rule

Vulnerability ID: V-205744

Group Title: SRG-OS-000324-GPOS-00125

Expert Comments

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