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← Back to Microsoft Windows Server 2022 Security Technical Implementation Guide

V-254391

CAT I (High)

Windows Server 2022 permissions on the Active Directory data files must only allow System and Administrators access.

Rule ID

SV-254391r958726_rule

STIG

Microsoft Windows Server 2022 Security Technical Implementation Guide

Version

V2R8

CCIs

CCI-001314CCI-002235

Discussion

Improper access permissions for directory data-related files could allow unauthorized users to read, modify, or delete directory data or audit trails. Satisfies: SRG-OS-000324-GPOS-00125, SRG-OS-000206-GPOS-00084

Check Content

This applies to domain controllers. It is NA for other systems.

Run "Regedit".

Navigate to "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NTDS\Parameters".

Note the directory locations in the values for:

Database log files path
DSA Database file

By default, they will be \Windows\NTDS.

If the locations are different, the following will need to be run for each.

Open "Command Prompt (Admin)".

Navigate to the NTDS directory (\Windows\NTDS by default).

Run "icacls *.*".

If the permissions on each file are not as restrictive as the following, this is a finding:

NT AUTHORITY\SYSTEM:(I)(F)
BUILTIN\Administrators:(I)(F)

(I) - permission inherited from parent container
(F) - full access

Fix Text

Maintain the permissions on NTDS database and log files as follows:

NT AUTHORITY\SYSTEM:(I)(F)
BUILTIN\Administrators:(I)(F)

(I) - permission inherited from parent container
(F) - full access