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ACTIVE DIRECTORY SECURITY CHECKLIST ... - Leet Upload

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Active Directory Checklist, V1R1.2 Field Security Operations<br />

22 September 2006 Defense Information Systems Agency<br />

DS10.0295 Time Synchronization - Forest Authoritative Source<br />

[Forest Root Domain PDC Emulator DC only]<br />

STIG ID \ V-Key DS10.0295 \ V0008557<br />

Severity Cat II<br />

Short Name Time Synchronization - Forest Authoritative Source<br />

IA Controls ECTM-1, ECTM-2<br />

MAC /Conf 1-CSP, 2-CSP, 3-CSP<br />

References AD STIG 2.3.3.8<br />

Long Name: The domain controller holding the forest authoritative time source is not<br />

configured to use a DoD-authorized external time source.<br />

Checks:<br />

Note: This check is Not Applicable for Component locations that do not have the AD<br />

forest root domain on site.<br />

This check must be performed on the domain controller in the *forest root<br />

domain* that holds the PDC Emulator FSMO role.<br />

The following procedures check the Windows Time service. This is the preferred<br />

time synchronization tool for Windows domain controllers.<br />

A. Windows Server 2003 Procedures<br />

• Use Registry Editor to navigate to the following:<br />

HKLM\System\CurrentControlSet\Services\W32Time\TimeProviders\NtpClient.<br />

• If the value for “Enabled” is not “1”, then this is a Finding.<br />

• Use Registry Editor to navigate to the following:<br />

HKLM\System\CurrentControlSet\Services\W32Time\Parameters.<br />

• If the value for “Type” is not “NTP”, then this is a Finding.<br />

B. Windows 2000 Server Procedures<br />

• Use Registry Editor to navigate to the following:<br />

HKLM\System\CurrentControlSet\Services\W32Time\Parameters.<br />

• If the value for “Type” is not “NTP”, then this is a Finding.<br />

Note: If these checks indicate a Finding because the NtpClient is not enabled, ask the<br />

SA to demonstrate that an alternate time synchronization tool is installed and enabled.<br />

• If the Windows Time service is not enabled and no alternate tool is enabled, then<br />

this is a Finding.<br />

UNCLASSIFIED<br />

5-30

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