The Synchronize Directory Service Data user right must not be assigned to any account.

From Windows 2008 Domain Controller Security Technical Implementation Guide

Part of Synchronize Directory Service Data

Associated with IA controls: ECCD-2, ECAN-1, ECCD-1, ECLP-1

SV-13345r1_rule The Synchronize Directory Service Data user right must not be assigned to any account.

Vulnerability discussion

A Windows account with the Synchronize Directory Service Data right has the ability to read all information in the AD database. This bypasses the object access permissions that would otherwise restrict access to the data. The scope of access granted by this right is too broad for secure usage. Specific object permissions or other group membership assignments could be used to provide access on an appropriate scale.

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Fix text

If any accounts (including groups) are assigned the Synchronize Directory Service Data Right, then remove this right from the account.

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